201110220200020 has 24 divisors (see below), whose sum is σ = 444559434127200. Its totient is φ = 76210188707232.

The previous prime is 201110220200017. The next prime is 201110220200047. The reversal of 201110220200020 is 20002022011102.

It is a happy number.

201110220200020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 264618710410 + ... + 264618711169.

It is an arithmetic number, because the mean of its divisors is an integer number (18523309755300).

Almost surely, 2^{201110220200020} is an apocalyptic number.

201110220200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201110220200020 is an abundant number, since it is smaller than the sum of its proper divisors (243449213927180).

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

201110220200020 is a wasteful number, since it uses less digits than its factorization.

201110220200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529237421607 (or 529237421605 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201110220200020 its reverse (20002022011102), we get a palindrome (221112242211122).

The spelling of 201110220200020 in words is "two hundred one trillion, one hundred ten billion, two hundred twenty million, two hundred thousand, twenty".