220103030100 has 72 divisors (see below), whose sum is σ = 636950621440. Its totient is φ = 58683156480.

The previous prime is 220103030099. The next prime is 220103030107. The reversal of 220103030100 is 1030301022.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220103030107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1604829 + ... + 1736571.

Almost surely, 2^220103030100 is an apocalyptic number.

220103030100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220103030100 is an abundant number, since it is smaller than the sum of its proper divisors (416847591340).

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

220103030100 is a wasteful number, since it uses less digits than its factorization.

220103030100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137329 (or 137322 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 220103030100 its reverse (1030301022), we get a palindrome (221133331122).

It can be divided in two parts, 2 and 20103030100, that added together give a palindrome (20103030102).

The spelling of 220103030100 in words is "two hundred twenty billion, one hundred three million, thirty thousand, one hundred".