20797094686 has 8 divisors (see below), whose sum is σ = 31517246880. Its totient is φ = 10291345728.

The previous prime is 20797094671. The next prime is 20797094693. The reversal of 20797094686 is 68649079702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20797094686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53600566 + ... + 53600953.

It is an arithmetic number, because the mean of its divisors is an integer number (3939655860).

Almost surely, 2^20797094686 is an apocalyptic number.

20797094686 is a deficient number, since it is larger than the sum of its proper divisors (10720152194).

20797094686 is a wasteful number, since it uses less digits than its factorization.

20797094686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107201618.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 20797094686 in words is "twenty billion, seven hundred ninety-seven million, ninety-four thousand, six hundred eighty-six".