204118940 has 12 divisors (see below), whose sum is σ = 428649816. Its totient is φ = 81647568.

The previous prime is 204118939. The next prime is 204118961. The reversal of 204118940 is 49811402.

204118940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 5102954 + ... + 5102993.

It is an arithmetic number, because the mean of its divisors is an integer number (35720818).

Almost surely, 2^204118940 is an apocalyptic number.

204118940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204118940 is an abundant number, since it is smaller than the sum of its proper divisors (224530876).

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

204118940 is a wasteful number, since it uses less digits than its factorization.

204118940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205956 (or 10205954 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 204118940 is about 14287.0199831875. The cubic root of 204118940 is about 588.7909166287.

The spelling of 204118940 in words is "two hundred four million, one hundred eighteen thousand, nine hundred forty".