2220020885 has 16 divisors (see below), whose sum is σ = 2744816880. Its totient is φ = 1722954240.

The previous prime is 2220020879. The next prime is 2220020893. The reversal of 2220020885 is 5880200222.

It can be written as a sum of positive squares in 8 ways, for example, as 574564 + 2219446321 = 758^2 + 47111^2 .

It is not a de Polignac number, because 2220020885 - 2¹⁸ = 2219758741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27590 + ... + 72119.

It is an arithmetic number, because the mean of its divisors is an integer number (171551055).

Almost surely, 2^2220020885 is an apocalyptic number.

It is an amenable number.

2220020885 is a deficient number, since it is larger than the sum of its proper divisors (524795995).

2220020885 is an equidigital number, since it uses as much as digits as its factorization.

2220020885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99848.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 2220020885 is about 47117.0975867572. The cubic root of 2220020885 is about 1304.5248408358.

The spelling of 2220020885 in words is "two billion, two hundred twenty million, twenty thousand, eight hundred eighty-five".