20753793792 has 108 divisors (see below), whose sum is σ = 59882659200. Its totient is φ = 6912804864.

The previous prime is 20753793743. The next prime is 20753793811. The reversal of 20753793792 is 29739735702.

It is a super-3 number, since 3×20753793792³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4322209 + ... + 4327007.

Almost surely, 2^20753793792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20753793792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29941329600).

20753793792 is an abundant number, since it is smaller than the sum of its proper divisors (39128865408).

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

20753793792 is a wasteful number, since it uses less digits than its factorization.

20753793792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6698 (or 6681 counting only the distinct ones).

The product of its (nonzero) digits is 5000940, while the sum is 54.

The spelling of 20753793792 in words is "twenty billion, seven hundred fifty-three million, seven hundred ninety-three thousand, seven hundred ninety-two".