204204012304 has 20 divisors (see below), whose sum is σ = 399562556940. Its totient is φ = 101091094400.

The previous prime is 204204012281. The next prime is 204204012307. The reversal of 204204012304 is 403210402402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 185027301904 + 19176710400 = 430148^2 + 138480^2 .

It is a super-3 number, since 3×204204012304³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (204204012307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63180319 + ... + 63183550.

It is an arithmetic number, because the mean of its divisors is an integer number (19978127847).

Almost surely, 2^204204012304 is an apocalyptic number.

It is an amenable number.

204204012304 is a deficient number, since it is larger than the sum of its proper divisors (195358544636).

204204012304 is a wasteful number, since it uses less digits than its factorization.

204204012304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126363978 (or 126363972 counting only the distinct ones).

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

Adding to 204204012304 its reverse (403210402402), we get a palindrome (607414414706).

The spelling of 204204012304 in words is "two hundred four billion, two hundred four million, twelve thousand, three hundred four".