Names of 20420
| Nominal | 20420 |
| Cardinal | twenty thousand four hundred twenty |
| Ordinal | 20,420th |
| This number as US currency | twenty thousand four hundred twenty dollars |
| Is 20420 an odd number? | 20420 is NOT an odd number |
| Is 20420 an even number? | 20420 is an even number |
| Is 20420 a palindrome? | 20420 is NOT a palindrome number |
| Is 20420 a triangle number? | 20420 is NOT a triangle number |
20420 in other Bases
| Base 2 (Binary) | 1001111110001002 |
| Base 3 (Ternary) | 10010000223 |
| Base 4 (Quaternary) | 103330104 |
| Base 5 (Quinary) | 11231405 |
| Base 6 (Senary) | 2343126 |
| Base 8 (Octal) | 477048 |
| Base 12 (Duodecimal) | B99812 |
| Base 16 (Hexadecimal) | 4FC416 |
| Base 20 (Vigesimal) | 2B1020 |
Primes and Factors tests for 20420
| Is 20420 a Prime Number? | 20420 is NOT a prime |
| Is 20420 a perfect number? | 20420 is NOT a perfect number |
| Is 20420 a Mersenne Prime? | 20420 is NOT a Mersenne prime |
| Is 20420 a Fermat Prime? | 20420 is NOT a Fermat prime |
| Is 20420 a Fibonacci Prime? | 20420 is NOT a Fibonacci prime |
| Is 20420 a Partition Prime? | 20420 is NOT a Partition prime |
| Is 20420 a Pell Prime? | 20420 is NOT a Pell prime |
| Prime Factors | Prime factors of 20420 |
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20420 in other Numerals
| 20420 in Roman Numeral | XXCDXX |
| 20420 in Chinese Numeral | 貳萬肆佰貳拾 |
| 20420 in Egyptian Numeral | 𓂮𓍥𓎇 |
| 20420 in Babylonian Numeral |    |
Roots and stuff for 20420
| Is 20420 a square number? | 20420 is NOT a square number |
| Is 20420 a cube number? | 20420 is NOT a cube number |
| Square root of the number 20420 | 142.89856542317 |
| Cube root of the number 20420 | 27.332870637947 |
Recreational math for 20420
| Number 20420 reversed | 02402 |
| Sum of the digits | 8 |
| No of digits | 5 |