204955030 has 32 divisors (see below), whose sum is σ = 422625600. Its totient is φ = 70103040.

The previous prime is 204955027. The next prime is 204955031. The reversal of 204955030 is 30559402.

It is a self number, because there is not a number n which added to its sum of digits gives 204955030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204955031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28170 + ... + 34690.

It is an arithmetic number, because the mean of its divisors is an integer number (13207050).

Almost surely, 2^204955030 is an apocalyptic number.

204955030 is an abundant number, since it is smaller than the sum of its proper divisors (217670570).

204955030 is a wasteful number, since it uses less digits than its factorization.

204955030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 204955030 is about 14316.2505566227. The cubic root of 204955030 is about 589.5937354467.

The spelling of 204955030 in words is "two hundred four million, nine hundred fifty-five thousand, thirty".