204332005 has 16 divisors (see below), whose sum is σ = 257269248. Its totient is φ = 155592000.

The previous prime is 204332003. The next prime is 204332033. The reversal of 204332005 is 500233402.

It is not a de Polignac number, because 204332005 - 2¹ = 204332003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204332003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1351 + ... + 20260.

It is an arithmetic number, because the mean of its divisors is an integer number (16079328).

Almost surely, 2^204332005 is an apocalyptic number.

It is an amenable number.

204332005 is a deficient number, since it is larger than the sum of its proper divisors (52937243).

204332005 is a wasteful number, since it uses less digits than its factorization.

204332005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21708.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 204332005 is about 14294.4746318289. The cubic root of 204332005 is about 588.9957108078.

Adding to 204332005 its reverse (500233402), we get a palindrome (704565407).

The spelling of 204332005 in words is "two hundred four million, three hundred thirty-two thousand, five".