20294872032 has 24 divisors (see below), whose sum is σ = 53274039336. Its totient is φ = 6764957312.

The previous prime is 20294872001. The next prime is 20294872069. The reversal of 20294872032 is 23027849202.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105702363 + ... + 105702554.

It is an arithmetic number, because the mean of its divisors is an integer number (2219751639).

Almost surely, 2^20294872032 is an apocalyptic number.

It is an amenable number.

20294872032 is an abundant number, since it is smaller than the sum of its proper divisors (32979167304).

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

20294872032 is a wasteful number, since it uses less digits than its factorization.

20294872032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211404930 (or 211404922 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 20294872032 in words is "twenty billion, two hundred ninety-four million, eight hundred seventy-two thousand, thirty-two".