20422042132422 has 64 divisors (see below), whose sum is σ = 47321803307520. Its totient is φ = 5754524477184.

The previous prime is 20422042132417. The next prime is 20422042132441. The reversal of 20422042132422 is 22423124022402.

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 20422042132422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43589329 + ... + 44055347.

It is an arithmetic number, because the mean of its divisors is an integer number (739403176680).

Almost surely, 2^{20422042132422} is an apocalyptic number.

20422042132422 is an abundant number, since it is smaller than the sum of its proper divisors (26899761175098).

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

20422042132422 is a wasteful number, since it uses less digits than its factorization.

20422042132422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480397.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20422042132422 its reverse (22423124022402), we get a palindrome (42845166154824).

The spelling of 20422042132422 in words is "twenty trillion, four hundred twenty-two billion, forty-two million, one hundred thirty-two thousand, four hundred twenty-two".