20232972 has 36 divisors (see below), whose sum is σ = 51851800. Its totient is φ = 6651072.

The previous prime is 20232959. The next prime is 20232973. The reversal of 20232972 is 27923202.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (20232973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1222 + ... + 6477.

Almost surely, 2^20232972 is an apocalyptic number.

It is an amenable number.

20232972 is an abundant number, since it is smaller than the sum of its proper divisors (31618828).

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

20232972 is a wasteful number, since it uses less digits than its factorization.

20232972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7782 (or 7777 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20232972 is about 4498.1076020922. The cubic root of 20232972 is about 272.4916676744.

The spelling of 20232972 in words is "twenty million, two hundred thirty-two thousand, nine hundred seventy-two".