20088563013 has 6 divisors (see below), whose sum is σ = 29016813254. Its totient is φ = 13392375336.

The previous prime is 20088562973. The next prime is 20088563057. The reversal of 20088563013 is 31036588002.

20088563013 is a `hidden beast` number, since 2 + 0 + 0 + 8 + 8 + 5 + 630 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16293756609 + 3794806404 = 127647^2 + 61602^2 .

It is not a de Polignac number, because 20088563013 - 2¹⁶ = 20088497477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20088561013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1116031270 + ... + 1116031287.

Almost surely, 2^20088563013 is an apocalyptic number.

It is an amenable number.

20088563013 is a deficient number, since it is larger than the sum of its proper divisors (8928250241).

20088563013 is a wasteful number, since it uses less digits than its factorization.

20088563013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232062563 (or 2232062560 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 20088563013 in words is "twenty billion, eighty-eight million, five hundred sixty-three thousand, thirteen".