8875221020 has 12 divisors (see below), whose sum is σ = 18637964184. Its totient is φ = 3550088400.

The previous prime is 8875221011. The next prime is 8875221031. The reversal of 8875221020 is 201225788.

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, 221880506 + ... + 221880545.

It is an arithmetic number, because the mean of its divisors is an integer number (1553163682).

Almost surely, 2^8875221020 is an apocalyptic number.

It is an amenable number.

8875221020 is an abundant number, since it is smaller than the sum of its proper divisors (9762743164).

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

8875221020 is a wasteful number, since it uses less digits than its factorization.

8875221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443761060 (or 443761058 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 8875221020 is about 94208.3914521419. The cubic root of 8875221020 is about 2070.4260614897.

The spelling of 8875221020 in words is "eight billion, eight hundred seventy-five million, two hundred twenty-one thousand, twenty".