22122020104420 has 96 divisors (see below), whose sum is σ = 49275129738240. Its totient is φ = 8313706199040.

The previous prime is 22122020104417. The next prime is 22122020104421. The reversal of 22122020104420 is 2440102022122.

It is a junction number, because it is equal to n+sod(n) for n = 22122020104391 and 22122020104400.

It is not an unprimeable number, because it can be changed into a prime (22122020104421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1713417765 + ... + 1713430675.

It is an arithmetic number, because the mean of its divisors is an integer number (513282601440).

Almost surely, 2^{22122020104420} is an apocalyptic number.

22122020104420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22122020104420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24637564869120).

22122020104420 is an abundant number, since it is smaller than the sum of its proper divisors (27153109633820).

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

22122020104420 is a wasteful number, since it uses less digits than its factorization.

22122020104420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21373 (or 21371 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22122020104420 its reverse (2440102022122), we get a palindrome (24562122126542).

The spelling of 22122020104420 in words is "twenty-two trillion, one hundred twenty-two billion, twenty million, one hundred four thousand, four hundred twenty".