20880663204 has 24 divisors (see below), whose sum is σ = 48976639488. Its totient is φ = 6923779360.

The previous prime is 20880663197. The next prime is 20880663239. The reversal of 20880663204 is 40236608802.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4552827 + ... + 4557410.

It is an arithmetic number, because the mean of its divisors is an integer number (2040693312).

Almost surely, 2^20880663204 is an apocalyptic number.

It is an amenable number.

20880663204 is an abundant number, since it is smaller than the sum of its proper divisors (28095976284).

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

20880663204 is a wasteful number, since it uses less digits than its factorization.

20880663204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110435 (or 9110433 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 20880663204 in words is "twenty billion, eight hundred eighty million, six hundred sixty-three thousand, two hundred four".