Number 20

Factorization	2 * 2 * 5
Divisors	1, 2, 4, 5, 10, 20
Count of divisors	6
Sum of divisors	42

Is prime?	× NO
Previous integer	19
Next integer	21
Previous prime number	19
Next prime number	23
Reciprocal	0.05
Square	400
Square root	4.47213595499958
Natural logarithm	2.995732273553991
Decimal logarithm	1.3010299956639813
Sine	0.9129452507276277
Cosine	0.40808206181339196
Tangent	2.237160944224742

Binary	10100
Octal	24
Hexadecimal	14