20652992 has 28 divisors (see below), whose sum is σ = 41154096. Its totient is φ = 10283520.

The previous prime is 20652967. The next prime is 20653001. The reversal of 20652992 is 29925602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19517 + ... + 20547.

Almost surely, 2^20652992 is an apocalyptic number.

It is an amenable number.

20652992 is a deficient number, since it is larger than the sum of its proper divisors (20501104).

20652992 is a wasteful number, since it uses less digits than its factorization.

20652992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 20652992 is about 4544.5563039751. The cubic root of 20652992 is about 274.3643367535.

The spelling of 20652992 in words is "twenty million, six hundred fifty-two thousand, nine hundred ninety-two".