2220020884 has 12 divisors (see below), whose sum is σ = 3913395444. Its totient is φ = 1101907904.

The previous prime is 2220020879. The next prime is 2220020893. The reversal of 2220020884 is 4880200222.

It can be written as a sum of positive squares in 2 ways, for example, as 1617809284 + 602211600 = 40222^2 + 24540^2 .

It is a super-2 number, since 2×2220020884² = 9856985450792282912, which contains 22 as substring.

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, 2025019 + ... + 2026114.

It is an arithmetic number, because the mean of its divisors is an integer number (326116287).

Almost surely, 2^2220020884 is an apocalyptic number.

It is an amenable number.

2220020884 is a deficient number, since it is larger than the sum of its proper divisors (1693374560).

2220020884 is a wasteful number, since it uses less digits than its factorization.

2220020884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051274 (or 4051272 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 2220020884 is about 47117.0975761453. The cubic root of 2220020884 is about 1304.5248406400.

The spelling of 2220020884 in words is "two billion, two hundred twenty million, twenty thousand, eight hundred eighty-four".