20852968 has 16 divisors (see below), whose sum is σ = 39480480. Its totient is φ = 10324848.

The previous prime is 20852947. The next prime is 20852971. The reversal of 20852968 is 86925802.

It is a self number, because there is not a number n which added to its sum of digits gives 20852968.

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, 11830 + ... + 13477.

It is an arithmetic number, because the mean of its divisors is an integer number (2467530).

Almost surely, 2^20852968 is an apocalyptic number.

It is an amenable number.

20852968 is a deficient number, since it is larger than the sum of its proper divisors (18627512).

20852968 is a wasteful number, since it uses less digits than its factorization.

20852968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25416 (or 25412 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 20852968 is about 4566.5050093042. The cubic root of 20852968 is about 275.2470199201.

The spelling of 20852968 in words is "twenty million, eight hundred fifty-two thousand, nine hundred sixty-eight".