204020042204 has 48 divisors (see below), whose sum is σ = 404098523136. Its totient is φ = 89289211200.

The previous prime is 204020042197. The next prime is 204020042207. The reversal of 204020042204 is 402240020402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204020042207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110924 + ... + 648339.

It is an arithmetic number, because the mean of its divisors is an integer number (8418719232).

Almost surely, 2^204020042204 is an apocalyptic number.

It is an amenable number.

204020042204 is a deficient number, since it is larger than the sum of its proper divisors (200078480932).

204020042204 is a wasteful number, since it uses less digits than its factorization.

204020042204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759506 (or 759504 counting only the distinct ones).

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

Adding to 204020042204 its reverse (402240020402), we get a palindrome (606260062606).

The spelling of 204020042204 in words is "two hundred four billion, twenty million, forty-two thousand, two hundred four".