8122931020 has 12 divisors (see below), whose sum is σ = 17058155184. Its totient is φ = 3249172400.

The previous prime is 8122930853. The next prime is 8122931057. The reversal of 8122931020 is 201392218.

It is a self number, because there is not a number n which added to its sum of digits gives 8122931020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203073256 + ... + 203073295.

It is an arithmetic number, because the mean of its divisors is an integer number (1421512932).

Almost surely, 2^8122931020 is an apocalyptic number.

It is an amenable number.

8122931020 is an abundant number, since it is smaller than the sum of its proper divisors (8935224164).

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

8122931020 is a wasteful number, since it uses less digits than its factorization.

8122931020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406146560 (or 406146558 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 8122931020 is about 90127.3045197736. The cubic root of 8122931020 is about 2010.1922227327.

The spelling of 8122931020 in words is "eight billion, one hundred twenty-two million, nine hundred thirty-one thousand, twenty".