| Base 10 | 20 (2 digits) | ||
| Digit Sum: 2 | Digital Root: 2 | sad | |
| Base 2 | 0b10100 (5 digits) | ||
| Digit Sum: 0b10 | Digital Root: 0b1 | always happy | |
| Base 8 | 024 (2 digits) | ||
| Digit Sum: 06 | Digital Root: 06 | sad | |
| Base 16 | 0x14 (2 digits) | ||
| Digit Sum: 0x5 | Digital Root: 0x5 | happy | |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 3 (2 unique) factors are:
22 = 4
5
Its 6 divisors are:
1
2
4
5
10
20
Its aliquote sum is: 
22
makeing it a
abundant
number.
| In HTML this number represents this color: | 
 ⇧↑⇧↑⇧↑ #000014 ⇩↓⇩↓⇩↓  | 
In the work of Johann Sebastian Bach BWV 20 is O Ewigkeit, du Donnerwort
The number appears at position 53 of the decimal digits of π surrounded by
288419716939937510582097494459230781640628 Source: The Pi-Search Page
Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 632.953ms; cpu: 70.4560000000001ms)