204133331 has 16 divisors (see below), whose sum is σ = 221367744. Its totient is φ = 187536384.

The previous prime is 204133273. The next prime is 204133343. The reversal of 204133331 is 133331402.

It is not a de Polignac number, because 204133331 - 2¹⁴ = 204116947 is a prime.

It is a super-2 number, since 2×204133331² = 83340833650311122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204133381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127025 + ... + 128621.

It is an arithmetic number, because the mean of its divisors is an integer number (13835484).

Almost surely, 2^204133331 is an apocalyptic number.

204133331 is a deficient number, since it is larger than the sum of its proper divisors (17234413).

204133331 is a wasteful number, since it uses less digits than its factorization.

204133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 204133331 is about 14287.5236132788. The cubic root of 204133331 is about 588.8047534811.

Adding to 204133331 its reverse (133331402), we get a palindrome (337464733).

The spelling of 204133331 in words is "two hundred four million, one hundred thirty-three thousand, three hundred thirty-one".