204491112 has 64 divisors (see below), whose sum is σ = 596208000. Its totient is φ = 58423680.

The previous prime is 204491099. The next prime is 204491123. The reversal of 204491112 is 211194402.

It is a super-2 number, since 2×204491112² = 83633229773993088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4189 + ... + 20652.

It is an arithmetic number, because the mean of its divisors is an integer number (9315750).

Almost surely, 2^204491112 is an apocalyptic number.

It is an amenable number.

204491112 is an abundant number, since it is smaller than the sum of its proper divisors (391716888).

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

204491112 is a wasteful number, since it uses less digits than its factorization.

204491112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24871 (or 24853 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 204491112 is about 14300.0388810660. The cubic root of 204491112 is about 589.1485487136.

The spelling of 204491112 in words is "two hundred four million, four hundred ninety-one thousand, one hundred twelve".