204443434 has 16 divisors (see below), whose sum is σ = 331095240. Its totient is φ = 94118400.

The previous prime is 204443431. The next prime is 204443441. The reversal of 204443434 is 434344402.

It can be written as a sum of positive squares in 4 ways, for example, as 201214225 + 3229209 = 14185^2 + 1797^2 .

It is not an unprimeable number, because it can be changed into a prime (204443431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622 + ... + 20230.

Almost surely, 2^204443434 is an apocalyptic number.

204443434 is a deficient number, since it is larger than the sum of its proper divisors (126651806).

204443434 is a wasteful number, since it uses less digits than its factorization.

204443434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20025.

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 204443434 is about 14298.3717254798. The cubic root of 204443434 is about 589.1027576316.

Adding to 204443434 its reverse (434344402), we get a palindrome (638787836).

The spelling of 204443434 in words is "two hundred four million, four hundred forty-three thousand, four hundred thirty-four".