204004233 has 36 divisors (see below), whose sum is σ = 320828508. Its totient is φ = 124815360.

The previous prime is 204004231. The next prime is 204004243. The reversal of 204004233 is 332400402.

It can be written as a sum of positive squares in 6 ways, for example, as 9903609 + 194100624 = 3147^2 + 13932^2 .

It is not a de Polignac number, because 204004233 - 2¹ = 204004231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204004231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 105685 + ... + 107597.

It is an arithmetic number, because the mean of its divisors is an integer number (8911903).

Almost surely, 2^204004233 is an apocalyptic number.

It is an amenable number.

204004233 is a deficient number, since it is larger than the sum of its proper divisors (116824275).

204004233 is a wasteful number, since it uses less digits than its factorization.

204004233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 204004233 is about 14283.0050409569. The cubic root of 204004233 is about 588.6806033395.

Adding to 204004233 its reverse (332400402), we get a palindrome (536404635).

The spelling of 204004233 in words is "two hundred four million, four thousand, two hundred thirty-three".