20968502 has 12 divisors (see below), whose sum is σ = 32881380. Its totient is φ = 10027908.

The previous prime is 20968499. The next prime is 20968511. The reversal of 20968502 is 20586902.

It is a super-2 number, since 2×20968502² = 879356152248008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8852 + ... + 10967.

It is an arithmetic number, because the mean of its divisors is an integer number (2740115).

Almost surely, 2^20968502 is an apocalyptic number.

20968502 is a deficient number, since it is larger than the sum of its proper divisors (11912878).

20968502 is a wasteful number, since it uses less digits than its factorization.

20968502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19867 (or 19844 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 20968502 is about 4579.1376917494. The cubic root of 20968502 is about 275.7544111659.

The spelling of 20968502 in words is "twenty million, nine hundred sixty-eight thousand, five hundred two".