20120022022422 has 16 divisors (see below), whose sum is σ = 45988621765632. Its totient is φ = 5748577720680.

The previous prime is 20120022022361. The next prime is 20120022022433. The reversal of 20120022022422 is 22422022002102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239524071654 + ... + 239524071737.

It is an arithmetic number, because the mean of its divisors is an integer number (2874288860352).

Almost surely, 2^{20120022022422} is an apocalyptic number.

20120022022422 is an abundant number, since it is smaller than the sum of its proper divisors (25868599743210).

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

20120022022422 is a wasteful number, since it uses less digits than its factorization.

20120022022422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479048143403.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20120022022422 its reverse (22422022002102), we get a palindrome (42542044024524).

The spelling of 20120022022422 in words is "twenty trillion, one hundred twenty billion, twenty-two million, twenty-two thousand, four hundred twenty-two".