220000100220 has 240 divisors, whose sum is σ = 703582572000. Its totient is φ = 57530580480.

The previous prime is 220000100213. The next prime is 220000100261. The reversal of 220000100220 is 22001000022.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 34484991 + ... + 34491369.

It is an arithmetic number, because the mean of its divisors is an integer number (2931594050).

Almost surely, 2^220000100220 is an apocalyptic number.

220000100220 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 220000100220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351791286000).

220000100220 is an abundant number, since it is smaller than the sum of its proper divisors (483582471780).

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

220000100220 is a wasteful number, since it uses less digits than its factorization.

220000100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810 (or 6799 counting only the distinct ones).

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

Adding to 220000100220 its reverse (22001000022), we get a palindrome (242001100242).

The spelling of 220000100220 in words is "two hundred twenty billion, one hundred thousand, two hundred twenty".