8928220320 has 144 divisors (see below), whose sum is σ = 30500844192. Its totient is φ = 2378257920.

The previous prime is 8928220297. The next prime is 8928220331. The reversal of 8928220320 is 230228298.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1568199 + ... + 1573881.

It is an arithmetic number, because the mean of its divisors is an integer number (211811418).

Almost surely, 2^8928220320 is an apocalyptic number.

8928220320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8928220320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15250422096).

8928220320 is an abundant number, since it is smaller than the sum of its proper divisors (21572623872).

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

8928220320 is a wasteful number, since it uses less digits than its factorization.

8928220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6795 (or 6784 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8928220320 is about 94489.2603421151. The cubic root of 8928220320 is about 2074.5391395330.

The spelling of 8928220320 in words is "eight billion, nine hundred twenty-eight million, two hundred twenty thousand, three hundred twenty".