22220200200120 has 64 divisors (see below), whose sum is σ = 71788339113120. Its totient is φ = 5469587741184.

The previous prime is 22220200200113. The next prime is 22220200200137. The reversal of 22220200200120 is 2100200202222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22220200200120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7121857479 + ... + 7121860598.

Almost surely, 2^{22220200200120} is an apocalyptic number.

22220200200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220200200120 is an abundant number, since it is smaller than the sum of its proper divisors (49568138913000).

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

22220200200120 is a wasteful number, since it uses less digits than its factorization.

22220200200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14243718104 (or 14243718100 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22220200200120 its reverse (2100200202222), we get a palindrome (24320400402342).

The spelling of 22220200200120 in words is "twenty-two trillion, two hundred twenty billion, two hundred million, two hundred thousand, one hundred twenty".