22020020200 has 48 divisors (see below), whose sum is σ = 51206326380. Its totient is φ = 8806325760.

The previous prime is 22020020171. The next prime is 22020020201. The reversal of 22020020200 is 202002022.

It can be written as a sum of positive squares in 6 ways, for example, as 5265824356 + 16754195844 = 72566^2 + 129438^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22020020201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1961002 + ... + 1972198.

Almost surely, 2^22020020200 is an apocalyptic number.

22020020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020020200 is an abundant number, since it is smaller than the sum of its proper divisors (29186306180).

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

22020020200 is a wasteful number, since it uses less digits than its factorization.

22020020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21046 (or 21037 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22020020200 its reverse (202002022), we get a palindrome (22222022222).

The spelling of 22020020200 in words is "twenty-two billion, twenty million, twenty thousand, two hundred".