204343324400 has 30 divisors (see below), whose sum is σ = 490934837832. Its totient is φ = 81737329600.

The previous prime is 204343324397. The next prime is 204343324421. The reversal of 204343324400 is 4423343402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255428756 + ... + 255429555.

Almost surely, 2^204343324400 is an apocalyptic number.

204343324400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204343324400 is an abundant number, since it is smaller than the sum of its proper divisors (286591513432).

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

204343324400 is a wasteful number, since it uses less digits than its factorization.

204343324400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510858329 (or 510858318 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 204343324400 its reverse (4423343402), we get a palindrome (208766667802).

The spelling of 204343324400 in words is "two hundred four billion, three hundred forty-three million, three hundred twenty-four thousand, four hundred".