8397031020 has 96 divisors (see below), whose sum is σ = 27418944000. Its totient is φ = 1919316672.

The previous prime is 8397030959. The next prime is 8397031063. The reversal of 8397031020 is 201307938.

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, 183430 + ... + 224589.

It is an arithmetic number, because the mean of its divisors is an integer number (285614000).

Almost surely, 2^8397031020 is an apocalyptic number.

It is an amenable number.

8397031020 is an abundant number, since it is smaller than the sum of its proper divisors (19021912980).

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

8397031020 is a wasteful number, since it uses less digits than its factorization.

8397031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408052 (or 408036 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 8397031020 is about 91635.3153538525. The cubic root of 8397031020 is about 2032.5531885459.

Adding to 8397031020 its reverse (201307938), we get a palindrome (8598338958).

The spelling of 8397031020 in words is "eight billion, three hundred ninety-seven million, thirty-one thousand, twenty".