2220575820 has 48 divisors (see below), whose sum is σ = 6432017760. Its totient is φ = 571734016.

The previous prime is 2220575813. The next prime is 2220575827. The reversal of 2220575820 is 285750222.

It is an interprime number because it is at equal distance from previous prime (2220575813) and next prime (2220575827).

It is not an unprimeable number, because it can be changed into a prime (2220575827) by changing a digit.

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, 636357 + ... + 639836.

It is an arithmetic number, because the mean of its divisors is an integer number (134000370).

Almost surely, 2^2220575820 is an apocalyptic number.

2220575820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220575820 is an abundant number, since it is smaller than the sum of its proper divisors (4211441940).

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

2220575820 is a wasteful number, since it uses less digits than its factorization.

2220575820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276234 (or 1276232 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 2220575820 is about 47122.9861108143. The cubic root of 2220575820 is about 1304.6335284292.

The spelling of 2220575820 in words is "two billion, two hundred twenty million, five hundred seventy-five thousand, eight hundred twenty".