20222020012120 has 32 divisors (see below), whose sum is σ = 45529420111920. Its totient is φ = 8083496878720.

The previous prime is 20222020012111. The next prime is 20222020012123. The reversal of 20222020012120 is 2121002022202.

It is a junction number, because it is equal to n+sod(n) for n = 20222020012094 and 20222020012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222020012123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165911011 + ... + 166032850.

Almost surely, 2^{20222020012120} is an apocalyptic number.

20222020012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222020012120 is an abundant number, since it is smaller than the sum of its proper divisors (25307400099800).

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

20222020012120 is a wasteful number, since it uses less digits than its factorization.

20222020012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331945395 (or 331945391 counting only the distinct ones).

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

Adding to 20222020012120 its reverse (2121002022202), we get a palindrome (22343022034322).

The spelling of 20222020012120 in words is "twenty trillion, two hundred twenty-two billion, twenty million, twelve thousand, one hundred twenty".