68881238020 has 48 divisors (see below), whose sum is σ = 170647723008. Its totient is φ = 22854602880.

The previous prime is 68881237991. The next prime is 68881238033. The reversal of 68881238020 is 2083218886.

It is a happy number.

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, 7931287 + ... + 7939966.

It is an arithmetic number, because the mean of its divisors is an integer number (3555160896).

Almost surely, 2^68881238020 is an apocalyptic number.

It is an amenable number.

68881238020 is an abundant number, since it is smaller than the sum of its proper divisors (101766484988).

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

68881238020 is a wasteful number, since it uses less digits than its factorization.

68881238020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871300 (or 15871298 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 68881238020 in words is "sixty-eight billion, eight hundred eighty-one million, two hundred thirty-eight thousand, twenty".