20902652 has 12 divisors (see below), whose sum is σ = 36644160. Its totient is φ = 10432896.

The previous prime is 20902633. The next prime is 20902667. The reversal of 20902652 is 25620902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877 + ... + 6732.

It is an arithmetic number, because the mean of its divisors is an integer number (3053680).

Almost surely, 2^20902652 is an apocalyptic number.

It is an amenable number.

20902652 is a deficient number, since it is larger than the sum of its proper divisors (15741508).

20902652 is a wasteful number, since it uses less digits than its factorization.

20902652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9220 (or 9218 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20902652 is about 4571.9418194023. The cubic root of 20902652 is about 275.4654464829.

The spelling of 20902652 in words is "twenty million, nine hundred two thousand, six hundred fifty-two".