22201020000220 has 96 divisors (see below), whose sum is σ = 49546873152000. Its totient is φ = 8337990845184.

The previous prime is 22201020000193. The next prime is 22201020000251. The reversal of 22201020000220 is 2200002010222.

It is a self number, because there is not a number n which added to its sum of digits gives 22201020000220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17769631 + ... + 18977929.

It is an arithmetic number, because the mean of its divisors is an integer number (516113262000).

Almost surely, 2^{22201020000220} is an apocalyptic number.

22201020000220 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 22201020000220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24773436576000).

22201020000220 is an abundant number, since it is smaller than the sum of its proper divisors (27345853151780).

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

22201020000220 is a wasteful number, since it uses less digits than its factorization.

22201020000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209067 (or 1209065 counting only the distinct ones).

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

Adding to 22201020000220 its reverse (2200002010222), we get a palindrome (24401022010442).

The spelling of 22201020000220 in words is "twenty-two trillion, two hundred one billion, twenty million, two hundred twenty", and thus it is an aban number.