22010112020 has 48 divisors (see below), whose sum is σ = 51493170960. Its totient is φ = 7846573056.

The previous prime is 22010111999. The next prime is 22010112023. The reversal of 22010112020 is 2021101022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 282172804 + 21727939216 = 16798^2 + 147404^2 .

It is a super-2 number, since 2×22010112020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22010111992 and 22010112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010112023) 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, 1452017 + ... + 1467096.

It is an arithmetic number, because the mean of its divisors is an integer number (1072774395).

Almost surely, 2^22010112020 is an apocalyptic number.

22010112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010112020 is an abundant number, since it is smaller than the sum of its proper divisors (29483058940).

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

22010112020 is a wasteful number, since it uses less digits than its factorization.

22010112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919164 (or 2919162 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22010112020 its reverse (2021101022), we get a palindrome (24031213042).

The spelling of 22010112020 in words is "twenty-two billion, ten million, one hundred twelve thousand, twenty".