204133442 has 8 divisors (see below), whose sum is σ = 306263100. Its totient is φ = 102045744.

The previous prime is 204133439. The next prime is 204133453. The reversal of 204133442 is 244331402.

It can be written as a sum of positive squares in 2 ways, for example, as 203091001 + 1042441 = 14251^2 + 1021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8684 + ... + 21992.

Almost surely, 2^204133442 is an apocalyptic number.

204133442 is a deficient number, since it is larger than the sum of its proper divisors (102129658).

204133442 is a wasteful number, since it uses less digits than its factorization.

204133442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20980.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 204133442 is about 14287.5274977863. The cubic root of 204133442 is about 588.8048602044.

Adding to 204133442 its reverse (244331402), we get a palindrome (448464844).

The spelling of 204133442 in words is "two hundred four million, one hundred thirty-three thousand, four hundred forty-two".