204000442 has 16 divisors (see below), whose sum is σ = 335174760. Its totient is φ = 92689408.

The previous prime is 204000439. The next prime is 204000449. The reversal of 204000442 is 244000402.

It can be written as a sum of positive squares in 4 ways, for example, as 184117761 + 19882681 = 13569^2 + 4459^2 .

204000442 is a modest number, since divided by 442 gives 204 as remainder.

It is not an unprimeable number, because it can be changed into a prime (204000449) 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 7 ways as a sum of consecutive naturals, for example, 102463 + ... + 104434.

Almost surely, 2^204000442 is an apocalyptic number.

204000442 is a deficient number, since it is larger than the sum of its proper divisors (131174318).

204000442 is a wasteful number, since it uses less digits than its factorization.

204000442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206945.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 204000442 is about 14282.8723301722. The cubic root of 204000442 is about 588.6769568433.

Adding to 204000442 its reverse (244000402), we get a palindrome (448000844).

The spelling of 204000442 in words is "two hundred four million, four hundred forty-two", and thus it is an aban number.