20202220120120 has 32 divisors (see below), whose sum is σ = 45455680426320. Its totient is φ = 8080766242560.

The previous prime is 20202220120099. The next prime is 20202220120139. The reversal of 20202220120120 is 2102102220202.

It is a junction number, because it is equal to n+sod(n) for n = 20202220120094 and 20202220120103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095717 + ... + 6450196.

Almost surely, 2^{20202220120120} is an apocalyptic number.

20202220120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202220120120 is an abundant number, since it is smaller than the sum of its proper divisors (25253460306200).

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

20202220120120 is a wasteful number, since it uses less digits than its factorization.

20202220120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7612855 (or 7612851 counting only the distinct ones).

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

Adding to 20202220120120 its reverse (2102102220202), we get a palindrome (22304322340322).

The spelling of 20202220120120 in words is "twenty trillion, two hundred two billion, two hundred twenty million, one hundred twenty thousand, one hundred twenty".