20764232 has 16 divisors (see below), whose sum is σ = 40275900. Its totient is φ = 10024000.

The previous prime is 20764231. The next prime is 20764243. The reversal of 20764232 is 23246702.

It can be written as a sum of positive squares in 2 ways, for example, as 18028516 + 2735716 = 4246^2 + 1654^2 .

It is not an unprimeable number, because it can be changed into a prime (20764231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44519 + ... + 44982.

Almost surely, 2^20764232 is an apocalyptic number.

It is an amenable number.

20764232 is a deficient number, since it is larger than the sum of its proper divisors (19511668).

20764232 is a wasteful number, since it uses less digits than its factorization.

20764232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89536 (or 89532 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 20764232 is about 4556.7786867479. The cubic root of 20764232 is about 274.8560436635.

The spelling of 20764232 in words is "twenty million, seven hundred sixty-four thousand, two hundred thirty-two".