204655136 has 24 divisors (see below), whose sum is σ = 460474560. Its totient is φ = 87709248.

The previous prime is 204655133. The next prime is 204655141. The reversal of 204655136 is 631556402.

204655136 is digitally balanced in base 3, because in such base 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 (32).

It is not an unprimeable number, because it can be changed into a prime (204655133) 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, 456596 + ... + 457043.

It is an arithmetic number, because the mean of its divisors is an integer number (19186440).

Almost surely, 2^204655136 is an apocalyptic number.

It is an amenable number.

204655136 is an abundant number, since it is smaller than the sum of its proper divisors (255819424).

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

204655136 is an equidigital number, since it uses as much as digits as its factorization.

204655136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913656 (or 913648 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 204655136 is about 14305.7728207881. The cubic root of 204655136 is about 589.3060269124.

The spelling of 204655136 in words is "two hundred four million, six hundred fifty-five thousand, one hundred thirty-six".