8880028020 has 72 divisors (see below), whose sum is σ = 26943765576. Its totient is φ = 2367332352.

The previous prime is 8880027917. The next prime is 8880028037. The reversal of 8880028020 is 208200888.

It can be written as a sum of positive squares in 4 ways, for example, as 228795876 + 8651232144 = 15126^2 + 93012^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1197444 + ... + 1204836.

Almost surely, 2^8880028020 is an apocalyptic number.

It is an amenable number.

8880028020 is an abundant number, since it is smaller than the sum of its proper divisors (18063737556).

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

8880028020 is a wasteful number, since it uses less digits than its factorization.

8880028020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081 (or 14076 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 8880028020 is about 94233.9005878458. The cubic root of 8880028020 is about 2070.7997889632.

The spelling of 8880028020 in words is "eight billion, eight hundred eighty million, twenty-eight thousand, twenty".