22220220020120 has 64 divisors (see below), whose sum is σ = 50323502305440. Its totient is φ = 8829876787200.

The previous prime is 22220220020083. The next prime is 22220220020129. The reversal of 22220220020120 is 2102002202222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220220020129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5449664 + ... + 8610416.

Almost surely, 2^{22220220020120} is an apocalyptic number.

22220220020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220220020120 is an abundant number, since it is smaller than the sum of its proper divisors (28103282285320).

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

22220220020120 is a wasteful number, since it uses less digits than its factorization.

22220220020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161916 (or 3161912 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22220220020120 its reverse (2102002202222), we get a palindrome (24322222222342).

The spelling of 22220220020120 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty million, twenty thousand, one hundred twenty".