220020200100 has 144 divisors (see below), whose sum is σ = 710414947200. Its totient is φ = 58415679360.

The previous prime is 220020200083. The next prime is 220020200119. The reversal of 220020200100 is 1002020022.

220020200100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440377 + ... + 796223.

Almost surely, 2^220020200100 is an apocalyptic number.

220020200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220020200100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355207473600).

220020200100 is an abundant number, since it is smaller than the sum of its proper divisors (490394747100).

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

220020200100 is a wasteful number, since it uses less digits than its factorization.

220020200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356099 (or 356086 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 220020200100 its reverse (1002020022), we get a palindrome (221022220122).

The spelling of 220020200100 in words is "two hundred twenty billion, twenty million, two hundred thousand, one hundred".