204421003434304 has 56 divisors (see below), whose sum is σ = 419354091109800. Its totient is φ = 98802722488320.

The previous prime is 204421003434229. The next prime is 204421003434331. The reversal of 204421003434304 is 403434300124402.

It can be written as a sum of positive squares in 4 ways, for example, as 636242331904 + 203784761102400 = 797648^2 + 14275320^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204421003434304.

It is a congruent 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, 357073369 + ... + 357645400.

It is an arithmetic number, because the mean of its divisors is an integer number (7488465912675).

Almost surely, 2^{204421003434304} is an apocalyptic number.

It is an amenable number.

204421003434304 is an abundant number, since it is smaller than the sum of its proper divisors (214933087675496).

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

204421003434304 is a wasteful number, since it uses less digits than its factorization.

204421003434304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714718931 (or 714718921 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 204421003434304 its reverse (403434300124402), we get a palindrome (607855303558706).

The spelling of 204421003434304 in words is "two hundred four trillion, four hundred twenty-one billion, three million, four hundred thirty-four thousand, three hundred four".