22020609800 has 108 divisors (see below), whose sum is σ = 59596519005. Its totient is φ = 7544886720.

The previous prime is 22020609731. The next prime is 22020609823. The reversal of 22020609800 is 890602022.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 21580197604 + 440412196 = 146902^2 + 20986^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=104930.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14689451 + ... + 14690949.

Almost surely, 2^22020609800 is an apocalyptic number.

22020609800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020609800

22020609800 is an abundant number, since it is smaller than the sum of its proper divisors (37575909205).

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

22020609800 is an equidigital number, since it uses as much as digits as its factorization.

22020609800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 22020609800 in words is "twenty-two billion, twenty million, six hundred nine thousand, eight hundred".