204233320 has 16 divisors (see below), whose sum is σ = 459525060. Its totient is φ = 81693312.

The previous prime is 204233311. The next prime is 204233321. The reversal of 204233320 is 23332402.

It can be written as a sum of positive squares in 2 ways, for example, as 178649956 + 25583364 = 13366^2 + 5058^2 .

It is a super-2 number, since 2×204233320² = 83422497996444800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204233321) 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, 2552877 + ... + 2552956.

Almost surely, 2^204233320 is an apocalyptic number.

204233320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204233320 is an abundant number, since it is smaller than the sum of its proper divisors (255291740).

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

204233320 is a wasteful number, since it uses less digits than its factorization.

204233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105844 (or 5105840 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 204233320 is about 14291.0223567105. The cubic root of 204233320 is about 588.9008742995.

Adding to 204233320 its reverse (23332402), we get a palindrome (227565722).

The spelling of 204233320 in words is "two hundred four million, two hundred thirty-three thousand, three hundred twenty".