20122142422422 has 32 divisors (see below), whose sum is σ = 41003938195200. Its totient is φ = 6580773935840.

The previous prime is 20122142422411. The next prime is 20122142422453. The reversal of 20122142422422 is 22422424122102.

It is a happy number.

It is a super-2 number, since 2×20122142422422² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20122142422422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73248079 + ... + 73522277.

It is an arithmetic number, because the mean of its divisors is an integer number (1281373068600).

Almost surely, 2^{20122142422422} is an apocalyptic number.

20122142422422 is an abundant number, since it is smaller than the sum of its proper divisors (20881795772778).

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

20122142422422 is a wasteful number, since it uses less digits than its factorization.

20122142422422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505028.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 20122142422422 its reverse (22422424122102), we get a palindrome (42544566544524).

The spelling of 20122142422422 in words is "twenty trillion, one hundred twenty-two billion, one hundred forty-two million, four hundred twenty-two thousand, four hundred twenty-two".