20789790796 has 12 divisors (see below), whose sum is σ = 36405303480. Its totient is φ = 10388275520.

The previous prime is 20789790793. The next prime is 20789790799. The reversal of 20789790796 is 69709798702.

It is an interprime number because it is at equal distance from previous prime (20789790793) and next prime (20789790799).

It is not an unprimeable number, because it can be changed into a prime (20789790793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647901 + ... + 1660468.

It is an arithmetic number, because the mean of its divisors is an integer number (3033775290).

Almost surely, 2^20789790796 is an apocalyptic number.

It is an amenable number.

20789790796 is a deficient number, since it is larger than the sum of its proper divisors (15615512684).

20789790796 is a wasteful number, since it uses less digits than its factorization.

20789790796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309944 (or 3309942 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 64.

The spelling of 20789790796 in words is "twenty billion, seven hundred eighty-nine million, seven hundred ninety thousand, seven hundred ninety-six".