204013612 has 24 divisors (see below), whose sum is σ = 390140352. Its totient is φ = 92576400.

The previous prime is 204013609. The next prime is 204013613. The reversal of 204013612 is 216310402.

It is a self number, because there is not a number n which added to its sum of digits gives 204013612.

It is not an unprimeable number, because it can be changed into a prime (204013613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24687 + ... + 31897.

It is an arithmetic number, because the mean of its divisors is an integer number (16255848).

Almost surely, 2^204013612 is an apocalyptic number.

204013612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

204013612 is a deficient number, since it is larger than the sum of its proper divisors (186126740).

204013612 is a wasteful number, since it uses less digits than its factorization.

204013612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869 (or 7867 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 204013612 is about 14283.3333644496. Note that the first 4 decimals coincide. The cubic root of 204013612 is about 588.6896246405.

The spelling of 204013612 in words is "two hundred four million, thirteen thousand, six hundred twelve".