20700743024 has 40 divisors (see below), whose sum is σ = 44586229632. Its totient is φ = 9245986560.

The previous prime is 20700742999. The next prime is 20700743033. The reversal of 20700743024 is 42034700702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598759 + ... + 1611654.

Almost surely, 2^20700743024 is an apocalyptic number.

It is an amenable number.

20700743024 is an abundant number, since it is smaller than the sum of its proper divisors (23885486608).

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

20700743024 is a wasteful number, since it uses less digits than its factorization.

20700743024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210465 (or 3210459 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The spelling of 20700743024 in words is "twenty billion, seven hundred million, seven hundred forty-three thousand, twenty-four".