204164430 has 64 divisors (see below), whose sum is σ = 506677248. Its totient is φ = 52617600.

The previous prime is 204164423. The next prime is 204164431. The reversal of 204164430 is 34461402.

204164430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204164430² = 83366228954449800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204164430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204164431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129507 + ... + 131073.

It is an arithmetic number, because the mean of its divisors is an integer number (7916832).

Almost surely, 2^204164430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204164430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253338624).

204164430 is an abundant number, since it is smaller than the sum of its proper divisors (302512818).

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

204164430 is a wasteful number, since it uses less digits than its factorization.

204164430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 204164430 is about 14288.6118989914. The cubic root of 204164430 is about 588.8346527454.

The spelling of 204164430 in words is "two hundred four million, one hundred sixty-four thousand, four hundred thirty".