22110120220 has 48 divisors (see below), whose sum is σ = 46617228000. Its totient is φ = 8808687360.

The previous prime is 22110120209. The next prime is 22110120223. The reversal of 22110120220 is 2202101122.

It is a happy number.

It is a super-2 number, since 2×22110120220² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22110120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110120223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10685346 + ... + 10687414.

It is an arithmetic number, because the mean of its divisors is an integer number (971192250).

Almost surely, 2^22110120220 is an apocalyptic number.

22110120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110120220 is an abundant number, since it is smaller than the sum of its proper divisors (24507107780).

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

22110120220 is a wasteful number, since it uses less digits than its factorization.

22110120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958 (or 3956 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22110120220 its reverse (2202101122), we get a palindrome (24312221342).

The spelling of 22110120220 in words is "twenty-two billion, one hundred ten million, one hundred twenty thousand, two hundred twenty".