22113020220 has 24 divisors (see below), whose sum is σ = 61916456784. Its totient is φ = 5896805376.

The previous prime is 22113020213. The next prime is 22113020233. The reversal of 22113020220 is 2202031122.

It is a happy number.

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 22113020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184275109 + ... + 184275228.

It is an arithmetic number, because the mean of its divisors is an integer number (2579852366).

Almost surely, 2^22113020220 is an apocalyptic number.

22113020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22113020220 is an abundant number, since it is smaller than the sum of its proper divisors (39803436564).

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

22113020220 is a wasteful number, since it uses less digits than its factorization.

22113020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368550349 (or 368550347 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22113020220 its reverse (2202031122), we get a palindrome (24315051342).

The spelling of 22113020220 in words is "twenty-two billion, one hundred thirteen million, twenty thousand, two hundred twenty".