10220112220 has 12 divisors (see below), whose sum is σ = 21462235704. Its totient is φ = 4088044880.

The previous prime is 10220112187. The next prime is 10220112229. The reversal of 10220112220 is 2221102201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10220112220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220112229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255502786 + ... + 255502825.

It is an arithmetic number, because the mean of its divisors is an integer number (1788519642).

Almost surely, 2^10220112220 is an apocalyptic number.

10220112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220112220 is an abundant number, since it is smaller than the sum of its proper divisors (11242123484).

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

10220112220 is a wasteful number, since it uses less digits than its factorization.

10220112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511005620 (or 511005618 counting only the distinct ones).

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

Adding to 10220112220 its reverse (2221102201), we get a palindrome (12441214421).

The spelling of 10220112220 in words is "ten billion, two hundred twenty million, one hundred twelve thousand, two hundred twenty".