204050102402 has 4 divisors (see below), whose sum is σ = 306075153606. Its totient is φ = 102025051200.

The previous prime is 204050102357. The next prime is 204050102429. The reversal of 204050102402 is 204201050402.

It is a happy number.

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., 121216081921 + 82834020481 = 348161^2 + 287809^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51012525599 + ... + 51012525602.

Almost surely, 2^204050102402 is an apocalyptic number.

204050102402 is a deficient number, since it is larger than the sum of its proper divisors (102025051204).

204050102402 is a wasteful number, since it uses less digits than its factorization.

204050102402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102025051203.

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 204050102402 its reverse (204201050402), we get a palindrome (408251152804).

The spelling of 204050102402 in words is "two hundred four billion, fifty million, one hundred two thousand, four hundred two".