204233564 has 6 divisors (see below), whose sum is σ = 357408744. Its totient is φ = 102116780.

The previous prime is 204233509. The next prime is 204233569. The reversal of 204233564 is 465332402.

204233564 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 2×204233564² = 83422697328284192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204233569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25529192 + ... + 25529199.

It is an arithmetic number, because the mean of its divisors is an integer number (59568124).

Almost surely, 2^204233564 is an apocalyptic number.

It is an amenable number.

204233564 is a deficient number, since it is larger than the sum of its proper divisors (153175180).

204233564 is a wasteful number, since it uses less digits than its factorization.

204233564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51058395 (or 51058393 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 204233564 is about 14291.0308935360. The cubic root of 204233564 is about 588.9011088218.

Adding to 204233564 its reverse (465332402), we get a palindrome (669565966).

The spelling of 204233564 in words is "two hundred four million, two hundred thirty-three thousand, five hundred sixty-four".