20880568032 has 48 divisors (see below), whose sum is σ = 57194605440. Its totient is φ = 6657571712.

The previous prime is 20880568021. The next prime is 20880568039. The reversal of 20880568032 is 23086508802.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20880568039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4726182 + ... + 4730597.

It is an arithmetic number, because the mean of its divisors is an integer number (1191554280).

Almost surely, 2^20880568032 is an apocalyptic number.

It is an amenable number.

20880568032 is an abundant number, since it is smaller than the sum of its proper divisors (36314037408).

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

20880568032 is a wasteful number, since it uses less digits than its factorization.

20880568032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456815 (or 9456807 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 20880568032 in words is "twenty billion, eight hundred eighty million, five hundred sixty-eight thousand, thirty-two".