680502020568722 has 32 divisors (see below), whose sum is σ = 1156521650171904. Its totient is φ = 297504616467600.

The previous prime is 680502020568697. The next prime is 680502020568743. The reversal of 680502020568722 is 227865020205086.

It is a super-2 number, since 2×680502020568722² (a number of 30 digits) contains 22 as substring.

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, 3060635918 + ... + 3060858249.

It is an arithmetic number, because the mean of its divisors is an integer number (36141301567872).

Almost surely, 2^{680502020568722} is an apocalyptic number.

680502020568722 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

680502020568722 is a deficient number, since it is larger than the sum of its proper divisors (476019629603182).

680502020568722 is a wasteful number, since it uses less digits than its factorization.

680502020568722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121494374.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 680502020568722 in words is "six hundred eighty trillion, five hundred two billion, twenty million, five hundred sixty-eight thousand, seven hundred twenty-two".