220113660500 has 96 divisors (see below), whose sum is σ = 510510349440. Its totient is φ = 82672934400.

The previous prime is 220113660451. The next prime is 220113660517. The reversal of 220113660500 is 5066311022.

It is a self number, because there is not a number n which added to its sum of digits gives 220113660500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 970979 + ... + 1176021.

It is an arithmetic number, because the mean of its divisors is an integer number (5317816140).

Almost surely, 2^220113660500 is an apocalyptic number.

220113660500 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 220113660500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255255174720).

220113660500 is an abundant number, since it is smaller than the sum of its proper divisors (290396688940).

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

220113660500 is a wasteful number, since it uses less digits than its factorization.

220113660500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205194 (or 205182 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 220113660500 its reverse (5066311022), we get a palindrome (225179971522).

The spelling of 220113660500 in words is "two hundred twenty billion, one hundred thirteen million, six hundred sixty thousand, five hundred".