8020998522 has 24 divisors (see below), whose sum is σ = 17384822676. Its totient is φ = 2672744256.

The previous prime is 8020998511. The next prime is 8020998539. The reversal of 8020998522 is 2258990208.

It can be written as a sum of positive squares in 2 ways, for example, as 8020814481 + 184041 = 89559^2 + 429^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22123 + ... + 128574.

Almost surely, 2^8020998522 is an apocalyptic number.

8020998522 is an abundant number, since it is smaller than the sum of its proper divisors (9363824154).

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

8020998522 is a wasteful number, since it uses less digits than its factorization.

8020998522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153662 (or 153659 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 8020998522 is about 89560.0274787810. The cubic root of 8020998522 is about 2001.7483480276.

The spelling of 8020998522 in words is "eight billion, twenty million, nine hundred ninety-eight thousand, five hundred twenty-two".