20274604 has 12 divisors (see below), whose sum is σ = 40549264. Its totient is φ = 8689104.

The previous prime is 20274601. The next prime is 20274613. The reversal of 20274604 is 40647202.

20274604 is an admirable number.

It is a super-2 number, since 2×20274604² = 822119134713632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20274601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362019 + ... + 362074.

Almost surely, 2^20274604 is an apocalyptic number.

It is an amenable number.

20274604 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.

20274604 is a wasteful number, since it uses less digits than its factorization.

20274604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724104 (or 724102 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 20274604 is about 4502.7329478884. The cubic root of 20274604 is about 272.6784354438.

The spelling of 20274604 in words is "twenty million, two hundred seventy-four thousand, six hundred four".