20662725532 has 12 divisors (see below), whose sum is σ = 36162266896. Its totient is φ = 10330649280.

The previous prime is 20662725521. The next prime is 20662725539. The reversal of 20662725532 is 23552726602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20662725539) 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, 110328 + ... + 231295.

Almost surely, 2^20662725532 is an apocalyptic number.

It is an amenable number.

20662725532 is a deficient number, since it is larger than the sum of its proper divisors (15499541364).

20662725532 is a wasteful number, since it uses less digits than its factorization.

20662725532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356748 (or 356746 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 20662725532 in words is "twenty billion, six hundred sixty-two million, seven hundred twenty-five thousand, five hundred thirty-two".