220311100200 has 96 divisors (see below), whose sum is σ = 683974481760. Its totient is φ = 58662739200.

The previous prime is 220311100193. The next prime is 220311100223. The reversal of 220311100200 is 2001113022.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135015 + ... + 677385.

It is an arithmetic number, because the mean of its divisors is an integer number (7124734185).

Almost surely, 2^220311100200 is an apocalyptic number.

220311100200 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 220311100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341987240880).

220311100200 is an abundant number, since it is smaller than the sum of its proper divisors (463663381560).

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

220311100200 is a wasteful number, since it uses less digits than its factorization.

220311100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543067 (or 543058 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 220311100200 its reverse (2001113022), we get a palindrome (222312213222).

The spelling of 220311100200 in words is "two hundred twenty billion, three hundred eleven million, one hundred thousand, two hundred".