204130402042 has 16 divisors (see below), whose sum is σ = 350207668800. Its totient is φ = 87416998848.

The previous prime is 204130402039. The next prime is 204130402093. The reversal of 204130402042 is 240204031402.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5602792 + ... + 5639107.

It is an arithmetic number, because the mean of its divisors is an integer number (21887979300).

Almost surely, 2^204130402042 is an apocalyptic number.

204130402042 is a deficient number, since it is larger than the sum of its proper divisors (146077266758).

204130402042 is a wasteful number, since it uses less digits than its factorization.

204130402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11243205.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 204130402042 its reverse (240204031402), we get a palindrome (444334433444).

The spelling of 204130402042 in words is "two hundred four billion, one hundred thirty million, four hundred two thousand, forty-two".