20088515104 has 36 divisors (see below), whose sum is σ = 46006290414. Its totient is φ = 8609362944.

The previous prime is 20088515087. The next prime is 20088515177. The reversal of 20088515104 is 40151588002.

It can be written as a sum of positive squares in only one way, i.e., 17134810000 + 2953705104 = 130900^2 + 54348^2 .

It is a super-2 number, since 2×20088515104² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20088515104.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6404209 + ... + 6407344.

Almost surely, 2^20088515104 is an apocalyptic number.

It is an amenable number.

20088515104 is an abundant number, since it is smaller than the sum of its proper divisors (25917775310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20088515104 is a wasteful number, since it uses less digits than its factorization.

20088515104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12811577 (or 12811562 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 34.

The spelling of 20088515104 in words is "twenty billion, eighty-eight million, five hundred fifteen thousand, one hundred four".