204121040224304 has 20 divisors (see below), whose sum is σ = 451982303354064. Its totient is φ = 87480445810368.

The previous prime is 204121040224303. The next prime is 204121040224327. The reversal of 204121040224304 is 403422040121402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (204121040224301) 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, 911254643747 + ... + 911254643970.

Almost surely, 2^{204121040224304} is an apocalyptic number.

It is an amenable number.

204121040224304 is an abundant number, since it is smaller than the sum of its proper divisors (247861263129760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204121040224304 is a wasteful number, since it uses less digits than its factorization.

204121040224304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822509287732 (or 1822509287726 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 204121040224304 its reverse (403422040121402), we get a palindrome (607543080345706).

The spelling of 204121040224304 in words is "two hundred four trillion, one hundred twenty-one billion, forty million, two hundred twenty-four thousand, three hundred four".