205083323880 has 64 divisors (see below), whose sum is σ = 618471244800. Its totient is φ = 54402551040.

The previous prime is 205083323843. The next prime is 205083323927. The reversal of 205083323880 is 88323380502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4450975 + ... + 4496814.

It is an arithmetic number, because the mean of its divisors is an integer number (9663613200).

Almost surely, 2^205083323880 is an apocalyptic number.

205083323880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205083323880 is an abundant number, since it is smaller than the sum of its proper divisors (413387920920).

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

205083323880 is a wasteful number, since it uses less digits than its factorization.

205083323880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8947994 (or 8947990 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 205083323880 in words is "two hundred five billion, eighty-three million, three hundred twenty-three thousand, eight hundred eighty".