20652568 has 16 divisors (see below), whose sum is σ = 38796480. Its totient is φ = 10306848.

The previous prime is 20652559. The next prime is 20652571. The reversal of 20652568 is 86525602.

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, 2730 + ... + 6982.

It is an arithmetic number, because the mean of its divisors is an integer number (2424780).

Almost surely, 2^20652568 is an apocalyptic number.

It is an amenable number.

20652568 is a deficient number, since it is larger than the sum of its proper divisors (18143912).

20652568 is a wasteful number, since it uses less digits than its factorization.

20652568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866 (or 4862 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 20652568 is about 4544.5096545172. The cubic root of 20652568 is about 274.3624592003.

The spelling of 20652568 in words is "twenty million, six hundred fifty-two thousand, five hundred sixty-eight".