20702968 has 32 divisors (see below), whose sum is σ = 45606960. Its totient is φ = 8686080.

The previous prime is 20702911. The next prime is 20702971. The reversal of 20702968 is 86920702.

It is a super-2 number, since 2×20702968² = 857225768018048, 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 7 ways as a sum of consecutive naturals, for example, 7905 + ... + 10192.

Almost surely, 2^20702968 is an apocalyptic number.

It is an amenable number.

20702968 is an abundant number, since it is smaller than the sum of its proper divisors (24903992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20702968 is a wasteful number, since it uses less digits than its factorization.

20702968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18127 (or 18123 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 20702968 is about 4550.0514282808. The cubic root of 20702968 is about 274.5854602782.

The spelling of 20702968 in words is "twenty million, seven hundred two thousand, nine hundred sixty-eight".