20022001222112 has 96 divisors (see below), whose sum is σ = 40682717806752. Its totient is φ = 9695785549824.

The previous prime is 20022001222109. The next prime is 20022001222127. The reversal of 20022001222112 is 21122210022002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49412528 + ... + 49816080.

It is an arithmetic number, because the mean of its divisors is an integer number (423778310487).

Almost surely, 2^{20022001222112} is an apocalyptic number.

It is an amenable number.

20022001222112 is an abundant number, since it is smaller than the sum of its proper divisors (20660716584640).

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

20022001222112 is a wasteful number, since it uses less digits than its factorization.

20022001222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404020 (or 404012 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20022001222112 its reverse (21122210022002), we get a palindrome (41144211244114).

The spelling of 20022001222112 in words is "twenty trillion, twenty-two billion, one million, two hundred twenty-two thousand, one hundred twelve".