204960718990 has 16 divisors (see below), whose sum is σ = 374125482720. Its totient is φ = 80829579040.

The previous prime is 204960718939. The next prime is 204960718993. The reversal of 204960718990 is 99817069402.

204960718990 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204960718993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144337825 + ... + 144339244.

It is an arithmetic number, because the mean of its divisors is an integer number (23382842670).

Almost surely, 2^204960718990 is an apocalyptic number.

204960718990 is a deficient number, since it is larger than the sum of its proper divisors (169164763730).

204960718990 is a wasteful number, since it uses less digits than its factorization.

204960718990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288677147.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 204960718990 in words is "two hundred four billion, nine hundred sixty million, seven hundred eighteen thousand, nine hundred ninety".