22012220020120 has 96 divisors (see below), whose sum is σ = 55466470226160. Its totient is φ = 7853416313600.

The previous prime is 22012220020079. The next prime is 22012220020123. The reversal of 22012220020120 is 2102002221022.

It is a junction number, because it is equal to n+sod(n) for n = 22012220020094 and 22012220020103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012220020123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42648946 + ... + 43161985.

Almost surely, 2^{22012220020120} is an apocalyptic number.

22012220020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012220020120 is an abundant number, since it is smaller than the sum of its proper divisors (33454250206040).

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

22012220020120 is a wasteful number, since it uses less digits than its factorization.

22012220020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85811017 (or 85811002 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22012220020120 its reverse (2102002221022), we get a palindrome (24114222241142).

The spelling of 22012220020120 in words is "twenty-two trillion, twelve billion, two hundred twenty million, twenty thousand, one hundred twenty".