20202200100120 has 128 divisors (see below), whose sum is σ = 63798177484800. Its totient is φ = 5103573221376.

The previous prime is 20202200100077. The next prime is 20202200100133. The reversal of 20202200100120 is 2100100220202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20202200100096 and 20202200100105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101171017 + ... + 101370503.

It is an arithmetic number, because the mean of its divisors is an integer number (498423261600).

Almost surely, 2^{20202200100120} is an apocalyptic number.

20202200100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202200100120 is an abundant number, since it is smaller than the sum of its proper divisors (43595977384680).

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

20202200100120 is a wasteful number, since it uses less digits than its factorization.

20202200100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243937 (or 243933 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20202200100120 its reverse (2100100220202), we get a palindrome (22302300320322).

The spelling of 20202200100120 in words is "twenty trillion, two hundred two billion, two hundred million, one hundred thousand, one hundred twenty".