20651230796 has 48 divisors (see below), whose sum is σ = 44536719360. Its totient is φ = 8180196480.

The previous prime is 20651230781. The next prime is 20651230813. The reversal of 20651230796 is 69703215602.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451580 + ... + 495203.

It is an arithmetic number, because the mean of its divisors is an integer number (927848320).

Almost surely, 2^20651230796 is an apocalyptic number.

It is an amenable number.

20651230796 is an abundant number, since it is smaller than the sum of its proper divisors (23885488564).

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

20651230796 is a wasteful number, since it uses less digits than its factorization.

20651230796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946854 (or 946852 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 20651230796 in words is "twenty billion, six hundred fifty-one million, two hundred thirty thousand, seven hundred ninety-six".