8820220288 has 32 divisors (see below), whose sum is σ = 19168947720. Its totient is φ = 4009190400.

The previous prime is 8820220237. The next prime is 8820220333.

8820220288 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 8820220288.

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, 3130773 + ... + 3133588.

Almost surely, 2^8820220288 is an apocalyptic number.

8820220288 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8820220288 is an abundant number, since it is smaller than the sum of its proper divisors (10348727432).

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

8820220288 is a wasteful number, since it uses less digits than its factorization.

8820220288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264386 (or 6264374 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 8820220288 is about 93916.0278546745. The cubic root of 8820220288 is about 2066.1403092884.

The spelling of 8820220288 in words is "eight billion, eight hundred twenty million, two hundred twenty thousand, two hundred eighty-eight".