20076188928 has 72 divisors (see below), whose sum is σ = 53524167648. Its totient is φ = 6680512512.

The previous prime is 20076188921. The next prime is 20076188971. The reversal of 20076188928 is 82988167002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20076188921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428550 + ... + 473082.

Almost surely, 2^20076188928 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 20076188928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26762083824).

20076188928 is an abundant number, since it is smaller than the sum of its proper divisors (33447978720).

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

20076188928 is an equidigital number, since it uses as much as digits as its factorization.

20076188928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45139 (or 45125 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 20076188928 in words is "twenty billion, seventy-six million, one hundred eighty-eight thousand, nine hundred twenty-eight".