204403442 has 4 divisors (see below), whose sum is σ = 306605166. Its totient is φ = 102201720.

The previous prime is 204403439. The next prime is 204403469. The reversal of 204403442 is 244304402.

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., 198781801 + 5621641 = 14099^2 + 2371^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100859 + ... + 51100862.

Almost surely, 2^204403442 is an apocalyptic number.

204403442 is a deficient number, since it is larger than the sum of its proper divisors (102201724).

204403442 is a wasteful number, since it uses less digits than its factorization.

204403442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102201723.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 204403442 is about 14296.9731761656. The cubic root of 204403442 is about 589.0643428757.

Adding to 204403442 its reverse (244304402), we get a palindrome (448707844).

The spelling of 204403442 in words is "two hundred four million, four hundred three thousand, four hundred forty-two".