20307059 has 2 divisors, whose sum is σ = 20307060. Its totient is φ = 20307058.

The previous prime is 20307037. The next prime is 20307071. The reversal of 20307059 is 95070302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20307059 - 2¹⁶ = 20241523 is a prime.

It is not a weakly prime, because it can be changed into another prime (20307559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10153529 + 10153530.

It is an arithmetic number, because the mean of its divisors is an integer number (10153530).

Almost surely, 2^20307059 is an apocalyptic number.

20307059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20307059 is an equidigital number, since it uses as much as digits as its factorization.

20307059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 20307059 is about 4506.3354291486. The cubic root of 20307059 is about 272.8238564618.

The spelling of 20307059 in words is "twenty million, three hundred seven thousand, fifty-nine".