22220120200 has 24 divisors (see below), whose sum is σ = 51661779930. Its totient is φ = 8888048000.

The previous prime is 22220120129. The next prime is 22220120227. The reversal of 22220120200 is 202102222.

It can be written as a sum of positive squares in 3 ways, for example, as 19680161796 + 2539958404 = 140286^2 + 50398^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55550101 + ... + 55550500.

Almost surely, 2^22220120200 is an apocalyptic number.

22220120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220120200 is an abundant number, since it is smaller than the sum of its proper divisors (29441659730).

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

22220120200 is a wasteful number, since it uses less digits than its factorization.

22220120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111100617 (or 111100608 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22220120200 its reverse (202102222), we get a palindrome (22422222422).

The spelling of 22220120200 in words is "twenty-two billion, two hundred twenty million, one hundred twenty thousand, two hundred".