22020220012120 has 64 divisors (see below), whose sum is σ = 54084435985440. Its totient is φ = 8002196428800.

The previous prime is 22020220012117. The next prime is 22020220012169. The reversal of 22020220012120 is 2121002202022.

It is a junction number, because it is equal to n+sod(n) for n = 22020220012094 and 22020220012103.

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, 15429351 + ... + 16795990.

Almost surely, 2^{22020220012120} is an apocalyptic number.

22020220012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020220012120 is an abundant number, since it is smaller than the sum of its proper divisors (32064215973320).

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

22020220012120 is a wasteful number, since it uses less digits than its factorization.

22020220012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32226916 (or 32226912 counting only the distinct ones).

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

Adding to 22020220012120 its reverse (2121002202022), we get a palindrome (24141222214142).

The spelling of 22020220012120 in words is "twenty-two trillion, twenty billion, two hundred twenty million, twelve thousand, one hundred twenty".