220311330100 has 72 divisors (see below), whose sum is σ = 493619406336. Its totient is φ = 85260720000.

The previous prime is 220311330077. The next prime is 220311330121. The reversal of 220311330100 is 1033113022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19558470 + ... + 19569730.

It is an arithmetic number, because the mean of its divisors is an integer number (6855825088).

Almost surely, 2^220311330100 is an apocalyptic number.

220311330100 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 220311330100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246809703168).

220311330100 is an abundant number, since it is smaller than the sum of its proper divisors (273308076236).

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

220311330100 is a wasteful number, since it uses less digits than its factorization.

220311330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17617 (or 17610 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 220311330100 its reverse (1033113022), we get a palindrome (221344443122).

The spelling of 220311330100 in words is "two hundred twenty billion, three hundred eleven million, three hundred thirty thousand, one hundred".