204855268 has 12 divisors (see below), whose sum is σ = 366834160. Its totient is φ = 100045512.

The previous prime is 204855251. The next prime is 204855307. The reversal of 204855268 is 862558402.

It is a self number, because there is not a number n which added to its sum of digits gives 204855268.

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, 595338 + ... + 595681.

Almost surely, 2^204855268 is an apocalyptic number.

It is an amenable number.

204855268 is a deficient number, since it is larger than the sum of its proper divisors (161978892).

204855268 is a wasteful number, since it uses less digits than its factorization.

204855268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191066 (or 1191064 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 204855268 is about 14312.7659101936. The cubic root of 204855268 is about 589.4980582044.

The spelling of 204855268 in words is "two hundred four million, eight hundred fifty-five thousand, two hundred sixty-eight".