20701464768 has 84 divisors (see below), whose sum is σ = 59357425608. Its totient is φ = 6898114560.

The previous prime is 20701464767. The next prime is 20701464779. The reversal of 20701464768 is 86746410702.

It is not an unprimeable number, because it can be changed into a prime (20701464767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2687803 + ... + 2695493.

Almost surely, 2^20701464768 is an apocalyptic number.

It is an amenable number.

20701464768 is an abundant number, since it is smaller than the sum of its proper divisors (38655960840).

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

20701464768 is a wasteful number, since it uses less digits than its factorization.

20701464768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12382 (or 12369 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 20701464768 in words is "twenty billion, seven hundred one million, four hundred sixty-four thousand, seven hundred sixty-eight".