20122222112022 has 16 divisors (see below), whose sum is σ = 40244546092032. Its totient is φ = 6707390392680.

The previous prime is 20122222112017. The next prime is 20122222112023. The reversal of 20122222112022 is 22021122222102.

It is a self number, because there is not a number n which added to its sum of digits gives 20122222112022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122222112023) 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, 1544458 + ... + 6529149.

It is an arithmetic number, because the mean of its divisors is an integer number (2515284130752).

Almost surely, 2^{20122222112022} is an apocalyptic number.

20122222112022 is an abundant number, since it is smaller than the sum of its proper divisors (20122323980010).

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

20122222112022 is a wasteful number, since it uses less digits than its factorization.

20122222112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8489003.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20122222112022 its reverse (22021122222102), we get a palindrome (42143344334124).

The spelling of 20122222112022 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twelve thousand, twenty-two".