20015059 has 2 divisors, whose sum is σ = 20015060. Its totient is φ = 20015058.

The previous prime is 20015053. The next prime is 20015087. The reversal of 20015059 is 95051002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20015059 is a prime.

It is not a weakly prime, because it can be changed into another prime (20015053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007529 + 10007530.

It is an arithmetic number, because the mean of its divisors is an integer number (10007530).

Almost surely, 2^20015059 is an apocalyptic number.

20015059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20015059 is an equidigital number, since it uses as much as digits as its factorization.

20015059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 20015059 is about 4473.8192855769. The cubic root of 20015059 is about 271.5098719260.

The spelling of 20015059 in words is "twenty million, fifteen thousand, fifty-nine".