20662952 has 16 divisors (see below), whose sum is σ = 39179700. Its totient is φ = 10215040.

The previous prime is 20662949. The next prime is 20662969. The reversal of 20662952 is 25926602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20124196 + 538756 = 4486^2 + 734^2 .

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, 13799 + ... + 15222.

Almost surely, 2^20662952 is an apocalyptic number.

It is an amenable number.

20662952 is a deficient number, since it is larger than the sum of its proper divisors (18516748).

20662952 is a wasteful number, since it uses less digits than its factorization.

20662952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29116 (or 29112 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 20662952 is about 4545.6519884391. The cubic root of 20662952 is about 274.4084341516.

The spelling of 20662952 in words is "twenty million, six hundred sixty-two thousand, nine hundred fifty-two".