8012395220 has 24 divisors (see below), whose sum is σ = 16937467008. Its totient is φ = 3183732000.

The previous prime is 8012395219. The next prime is 8012395243. The reversal of 8012395220 is 225932108.

It is a happy number.

It is a super-2 number, since 2×8012395220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323536 + ... + 1329575.

It is an arithmetic number, because the mean of its divisors is an integer number (705727792).

Almost surely, 2^8012395220 is an apocalyptic number.

It is an amenable number.

8012395220 is an abundant number, since it is smaller than the sum of its proper divisors (8925071788).

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

8012395220 is a wasteful number, since it uses less digits than its factorization.

8012395220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653271 (or 2653269 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 8012395220 is about 89511.9836669929. The cubic root of 8012395220 is about 2001.0324019814.

The spelling of 8012395220 in words is "eight billion, twelve million, three hundred ninety-five thousand, two hundred twenty".