22200023020120 has 128 divisors (see below), whose sum is σ = 55204112865600. Its totient is φ = 7967588608000.

The previous prime is 22200023020099. The next prime is 22200023020157. The reversal of 22200023020120 is 2102032000222.

It is a junction number, because it is equal to n+sod(n) for n = 22200023020094 and 22200023020103.

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, 13299546 + ... + 14875414.

Almost surely, 2^{22200023020120} is an apocalyptic number.

22200023020120 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 22200023020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27602056432800).

22200023020120 is an abundant number, since it is smaller than the sum of its proper divisors (33004089845480).

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

22200023020120 is a wasteful number, since it uses less digits than its factorization.

22200023020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576309 (or 1576305 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22200023020120 its reverse (2102032000222), we get a palindrome (24302055020342).

The spelling of 22200023020120 in words is "twenty-two trillion, two hundred billion, twenty-three million, twenty thousand, one hundred twenty".