20946604 has 12 divisors (see below), whose sum is σ = 41893264. Its totient is φ = 8977104.

The previous prime is 20946599. The next prime is 20946617. The reversal of 20946604 is 40664902.

20946604 is an admirable number.

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, 374019 + ... + 374074.

Almost surely, 2^20946604 is an apocalyptic number.

It is an amenable number.

20946604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20946604 is a wasteful number, since it uses less digits than its factorization.

20946604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748104 (or 748102 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 20946604 is about 4576.7460056245. The cubic root of 20946604 is about 275.6583850189.

The spelling of 20946604 in words is "twenty million, nine hundred forty-six thousand, six hundred four".