204156104 has 16 divisors (see below), whose sum is σ = 383420400. Its totient is φ = 101910672.

The previous prime is 204156103. The next prime is 204156137. The reversal of 204156104 is 401651402.

It is a self number, because there is not a number n which added to its sum of digits gives 204156104.

It is not an unprimeable number, because it can be changed into a prime (204156103) 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, 15662 + ... + 25565.

It is an arithmetic number, because the mean of its divisors is an integer number (23963775).

Almost surely, 2^204156104 is an apocalyptic number.

It is an amenable number.

204156104 is a deficient number, since it is larger than the sum of its proper divisors (179264296).

204156104 is a wasteful number, since it uses less digits than its factorization.

204156104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41852 (or 41848 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 204156104 is about 14288.3205451166. The cubic root of 204156104 is about 588.8266482431.

The spelling of 204156104 in words is "two hundred four million, one hundred fifty-six thousand, one hundred four".