204555112 has 32 divisors (see below), whose sum is σ = 397221120. Its totient is φ = 98651520.

The previous prime is 204555089. The next prime is 204555133. The reversal of 204555112 is 211555402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84868 + ... + 87244.

It is an arithmetic number, because the mean of its divisors is an integer number (12413160).

Almost surely, 2^204555112 is an apocalyptic number.

It is an amenable number.

204555112 is a deficient number, since it is larger than the sum of its proper divisors (192666008).

204555112 is a wasteful number, since it uses less digits than its factorization.

204555112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 204555112 is about 14302.2764621580. The cubic root of 204555112 is about 589.2100046433.

The spelling of 204555112 in words is "two hundred four million, five hundred fifty-five thousand, one hundred twelve".