204343211055320 has 192 divisors, whose sum is σ = 468367946244000. Its totient is φ = 80233215928320.

The previous prime is 204343211055307. The next prime is 204343211055341. The reversal of 204343211055320 is 23550112343402.

204343211055320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204343211055320² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32942639339 + ... + 32942645541.

Almost surely, 2^{204343211055320} is an apocalyptic number.

204343211055320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204343211055320 is an abundant number, since it is smaller than the sum of its proper divisors (264024735188680).

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

204343211055320 is a wasteful number, since it uses less digits than its factorization.

204343211055320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090 (or 6983 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 204343211055320 its reverse (23550112343402), we get a palindrome (227893323398722).

The spelling of 204343211055320 in words is "two hundred four trillion, three hundred forty-three billion, two hundred eleven million, fifty-five thousand, three hundred twenty".