8001202920 has 128 divisors (see below), whose sum is σ = 25305661440. Its totient is φ = 2020849920.

The previous prime is 8001202919. The next prime is 8001202961. The reversal of 8001202920 is 292021008.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151959 + ... + 197721.

It is an arithmetic number, because the mean of its divisors is an integer number (197700480).

Almost surely, 2^8001202920 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 8001202920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12652830720).

8001202920 is an abundant number, since it is smaller than the sum of its proper divisors (17304458520).

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

8001202920 is a wasteful number, since it uses less digits than its factorization.

8001202920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45855 (or 45851 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 8001202920 is about 89449.4433744559. The cubic root of 8001202920 is about 2000.1002383094.

Adding to 8001202920 its reverse (292021008), we get a palindrome (8293223928).

The spelling of 8001202920 in words is "eight billion, one million, two hundred two thousand, nine hundred twenty".