8023909920 has 384 divisors, whose sum is σ = 28307543040. Its totient is φ = 1897758720.

The previous prime is 8023909903. The next prime is 8023909981. The reversal of 8023909920 is 299093208.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20211162 + ... + 20211558.

It is an arithmetic number, because the mean of its divisors is an integer number (73717560).

Almost surely, 2^8023909920 is an apocalyptic number.

8023909920 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 8023909920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14153771520).

8023909920 is an abundant number, since it is smaller than the sum of its proper divisors (20283633120).

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

8023909920 is a wasteful number, since it uses less digits than its factorization.

8023909920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 8023909920 is about 89576.2798959635. The cubic root of 8023909920 is about 2001.9905116079.

The spelling of 8023909920 in words is "eight billion, twenty-three million, nine hundred nine thousand, nine hundred twenty".