204769128 has 32 divisors (see below), whose sum is σ = 512523360. Its totient is φ = 68176320.

The previous prime is 204769127. The next prime is 204769133. The reversal of 204769128 is 821967402.

204769128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204769121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18051 + ... + 27117.

It is an arithmetic number, because the mean of its divisors is an integer number (16016355).

Almost surely, 2^204769128 is an apocalyptic number.

It is an amenable number.

204769128 is an abundant number, since it is smaller than the sum of its proper divisors (307754232).

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

204769128 is a wasteful number, since it uses less digits than its factorization.

204769128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017 (or 10013 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 204769128 is about 14309.7563920564. The cubic root of 204769128 is about 589.4154202159.

The spelling of 204769128 in words is "two hundred four million, seven hundred sixty-nine thousand, one hundred twenty-eight".