205055604 has 48 divisors (see below), whose sum is σ = 572523840. Its totient is φ = 63093600.

The previous prime is 205055579. The next prime is 205055623. The reversal of 205055604 is 406550502.

205055604 is a `hidden beast` number, since 2 + 0 + 5 + 0 + 55 + 604 = 666.

205055604 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71622 + ... + 74429.

It is an arithmetic number, because the mean of its divisors is an integer number (11927580).

Almost surely, 2^205055604 is an apocalyptic number.

It is an amenable number.

205055604 is an abundant number, since it is smaller than the sum of its proper divisors (367468236).

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

205055604 is a wasteful number, since it uses less digits than its factorization.

205055604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146077 (or 146069 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 205055604 is about 14319.7627075312. The cubic root of 205055604 is about 589.6901600194.

The spelling of 205055604 in words is "two hundred five million, fifty-five thousand, six hundred four".