100202220120020 has 24 divisors (see below), whose sum is σ = 210427966070784. Its totient is φ = 40080258749216.

The previous prime is 100202220119977. The next prime is 100202220120089. The reversal of 100202220120020 is 20021022202001.

100202220120020 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 100202220119977 and 100202220120004.

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, 38024444 + ... + 40574163.

It is an arithmetic number, because the mean of its divisors is an integer number (8767831919616).

Almost surely, 2^{100202220120020} is an apocalyptic number.

100202220120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100202220120020 is an abundant number, since it is smaller than the sum of its proper divisors (110225745950764).

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

100202220120020 is a wasteful number, since it uses less digits than its factorization.

100202220120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78662359 (or 78662357 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 100202220120020 its reverse (20021022202001), we get a palindrome (120223242322021).

The spelling of 100202220120020 in words is "one hundred trillion, two hundred two billion, two hundred twenty million, one hundred twenty thousand, twenty".