20022002010112 has 48 divisors (see below), whose sum is σ = 40046873712300. Its totient is φ = 10007838720000.

The previous prime is 20022002010083. The next prime is 20022002010113. The reversal of 20022002010112 is 21101020022002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19474780824576 + 547221185536 = 4413024^2 + 739744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20022002010092 and 20022002010101.

It is not an unprimeable number, because it can be changed into a prime (20022002010113) 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, 4947612 + ... + 8032612.

Almost surely, 2^{20022002010112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20022002010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20023436856150).

20022002010112 is an abundant number, since it is smaller than the sum of its proper divisors (20024871702188).

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

20022002010112 is an equidigital number, since it uses as much as digits as its factorization.

20022002010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088192 (or 3088172 counting only the distinct ones).

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

Adding to 20022002010112 its reverse (21101020022002), we get a palindrome (41123022032114).

The spelling of 20022002010112 in words is "twenty trillion, twenty-two billion, two million, ten thousand, one hundred twelve".