204404402 has 4 divisors (see below), whose sum is σ = 306606606. Its totient is φ = 102202200.

The previous prime is 204404401. The next prime is 204404429.

204404402 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 191794801 + 12609601 = 13849^2 + 3551^2 .

It is not an unprimeable number, because it can be changed into a prime (204404401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101099 + ... + 51101102.

Almost surely, 2^204404402 is an apocalyptic number.

204404402 is a deficient number, since it is larger than the sum of its proper divisors (102202204).

204404402 is a wasteful number, since it uses less digits than its factorization.

204404402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102202203.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 204404402 is about 14297.0067496662. The cubic root of 204404402 is about 589.0652650730.

It can be divided in two parts, 20440 and 4402, that added together give a palindrome (24842).

The spelling of 204404402 in words is "two hundred four million, four hundred four thousand, four hundred two".