680768102220 has 48 divisors (see below), whose sum is σ = 1989026807040. Its totient is φ = 173645196736.

The previous prime is 680768102153. The next prime is 680768102221. The reversal of 680768102220 is 22201867086.

It is a happy number.

680768102220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (680768102221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246653730 + ... + 246656489.

It is an arithmetic number, because the mean of its divisors is an integer number (41438058480).

Almost surely, 2^680768102220 is an apocalyptic number.

680768102220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680768102220 is an abundant number, since it is smaller than the sum of its proper divisors (1308258704820).

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

680768102220 is a wasteful number, since it uses less digits than its factorization.

680768102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493310254 (or 493310252 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 680768102220 in words is "six hundred eighty billion, seven hundred sixty-eight million, one hundred two thousand, two hundred twenty".