20220112 has 40 divisors (see below), whose sum is σ = 43113312. Its totient is φ = 9110400.

The previous prime is 20220103. The next prime is 20220119. The reversal of 20220112 is 21102202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22618 + ... + 23494.

Almost surely, 2^20220112 is an apocalyptic number.

20220112 is a gapful number since it is divisible by the number (22) 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 20220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21556656).

20220112 is an abundant number, since it is smaller than the sum of its proper divisors (22893200).

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

20220112 is a wasteful number, since it uses less digits than its factorization.

20220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 20220112 is about 4496.6778848390. The cubic root of 20220112 is about 272.4339238831.

Adding to 20220112 its reverse (21102202), we get a palindrome (41322314).

The spelling of 20220112 in words is "twenty million, two hundred twenty thousand, one hundred twelve".