2221020200 has 96 divisors (see below), whose sum is σ = 6212251200. Its totient is φ = 721405440.

The previous prime is 2221020161. The next prime is 2221020227. The reversal of 2221020200 is 20201222.

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, 15149 + ... + 68348.

It is an arithmetic number, because the mean of its divisors is an integer number (64710950).

Almost surely, 2^2221020200 is an apocalyptic number.

2221020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221020200 is an abundant number, since it is smaller than the sum of its proper divisors (3991231000).

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

2221020200 is a wasteful number, since it uses less digits than its factorization.

2221020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83539 (or 83530 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2221020200 is about 47127.7009836041. The cubic root of 2221020200 is about 1304.7205500586.

Adding to 2221020200 its reverse (20201222), we get a palindrome (2241221422).

The spelling of 2221020200 in words is "two billion, two hundred twenty-one million, twenty thousand, two hundred".