8268288220 has 12 divisors (see below), whose sum is σ = 17363405304. Its totient is φ = 3307315280.

The previous prime is 8268288199. The next prime is 8268288257. The reversal of 8268288220 is 228828628.

It is a congruent number.

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, 206707186 + ... + 206707225.

It is an arithmetic number, because the mean of its divisors is an integer number (1446950442).

Almost surely, 2^8268288220 is an apocalyptic number.

It is an amenable number.

8268288220 is an abundant number, since it is smaller than the sum of its proper divisors (9095117084).

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

8268288220 is a wasteful number, since it uses less digits than its factorization.

8268288220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413414420 (or 413414418 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 46.

The square root of 8268288220 is about 90930.1282304166. The cubic root of 8268288220 is about 2022.1119808657. Note that the first 3 decimals are identical.

The spelling of 8268288220 in words is "eight billion, two hundred sixty-eight million, two hundred eighty-eight thousand, two hundred twenty".