22201020110220 has 192 divisors, whose sum is σ = 71704304179200. Its totient is φ = 5027313807360.

The previous prime is 22201020110173. The next prime is 22201020110341. The reversal of 22201020110220 is 2201102010222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22201020110220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 413870161 + ... + 413923799.

It is an arithmetic number, because the mean of its divisors is an integer number (373459917600).

Almost surely, 2^{22201020110220} is an apocalyptic number.

22201020110220 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 22201020110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35852152089600).

22201020110220 is an abundant number, since it is smaller than the sum of its proper divisors (49503284068980).

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

22201020110220 is a wasteful number, since it uses less digits than its factorization.

22201020110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62808 (or 62806 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22201020110220 its reverse (2201102010222), we get a palindrome (24402122120442).

The spelling of 22201020110220 in words is "twenty-two trillion, two hundred one billion, twenty million, one hundred ten thousand, two hundred twenty".