6920020808688 has 80 divisors (see below), whose sum is σ = 19772173173536. Its totient is φ = 2071690214400.

The previous prime is 6920020808621. The next prime is 6920020808717. The reversal of 6920020808688 is 8868080200296.

It is a congruent 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, 149838763 + ... + 149884938.

Almost surely, 2^{6920020808688} is an apocalyptic number.

It is an amenable number.

6920020808688 is an abundant number, since it is smaller than the sum of its proper divisors (12852152364848).

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

6920020808688 is a wasteful number, since it uses less digits than its factorization.

6920020808688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299723762 (or 299723756 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 57.

The spelling of 6920020808688 in words is "six trillion, nine hundred twenty billion, twenty million, eight hundred eight thousand, six hundred eighty-eight".