22105020200 has 24 divisors (see below), whose sum is σ = 51394172430. Its totient is φ = 8842008000.

The previous prime is 22105020193. The next prime is 22105020211. The reversal of 22105020200 is 202050122.

It can be written as a sum of positive squares in 3 ways, for example, as 14559318244 + 7545701956 = 120662^2 + 86866^2 .

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, 55262351 + ... + 55262750.

Almost surely, 2^22105020200 is an apocalyptic number.

22105020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22105020200 is an abundant number, since it is smaller than the sum of its proper divisors (29289152230).

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

22105020200 is a wasteful number, since it uses less digits than its factorization.

22105020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110525117 (or 110525108 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

Adding to 22105020200 its reverse (202050122), we get a palindrome (22307070322).

The spelling of 22105020200 in words is "twenty-two billion, one hundred five million, twenty thousand, two hundred".