22142202131420 has 24 divisors (see below), whose sum is σ = 53141285115744. Its totient is φ = 7591612159296.

The previous prime is 22142202131419. The next prime is 22142202131429. The reversal of 22142202131420 is 2413120224122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22142202131420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142202131429) 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, 79079293187 + ... + 79079293466.

It is an arithmetic number, because the mean of its divisors is an integer number (2214220213156).

Almost surely, 2^{22142202131420} is an apocalyptic number.

22142202131420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22142202131420 is an abundant number, since it is smaller than the sum of its proper divisors (30999082984324).

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

22142202131420 is a wasteful number, since it uses less digits than its factorization.

22142202131420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158158586669 (or 158158586667 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 22142202131420 its reverse (2413120224122), we get a palindrome (24555322355542).

The spelling of 22142202131420 in words is "twenty-two trillion, one hundred forty-two billion, two hundred two million, one hundred thirty-one thousand, four hundred twenty".