220020200100020 has 48 divisors (see below), whose sum is σ = 486372678442560. Its totient is φ = 83373978207744.

The previous prime is 220020200100011. The next prime is 220020200100053. The reversal of 220020200100020 is 20001002020022.

220020200100020 is digitally balanced in base 2, 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 = 220020200099974 and 220020200100010.

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, 7882187 + ... + 22409133.

It is an arithmetic number, because the mean of its divisors is an integer number (10132764134220).

Almost surely, 2^{220020200100020} is an apocalyptic number.

220020200100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020200100020 is an abundant number, since it is smaller than the sum of its proper divisors (266352478342540).

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

220020200100020 is a wasteful number, since it uses less digits than its factorization.

220020200100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14566832 (or 14566830 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 220020200100020 its reverse (20001002020022), we get a palindrome (240021202120042).

The spelling of 220020200100020 in words is "two hundred twenty trillion, twenty billion, two hundred million, one hundred thousand, twenty".