20210974 has 24 divisors (see below), whose sum is σ = 36232560. Its totient is φ = 8282208.

The previous prime is 20210963. The next prime is 20211001. The reversal of 20210974 is 47901202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6042 + ... + 8770.

It is an arithmetic number, because the mean of its divisors is an integer number (1509690).

Almost surely, 2^20210974 is an apocalyptic number.

20210974 is a deficient number, since it is larger than the sum of its proper divisors (16021586).

20210974 is a wasteful number, since it uses less digits than its factorization.

20210974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784 (or 2761 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 20210974 is about 4495.6616865596. The cubic root of 20210974 is about 272.3928776826.

The spelling of 20210974 in words is "twenty million, two hundred ten thousand, nine hundred seventy-four".