220244330000 has 100 divisors (see below), whose sum is σ = 533462946588. Its totient is φ = 88059840000.

The previous prime is 220244329961. The next prime is 220244330003. The reversal of 220244330000 is 33442022.

It can be written as a sum of positive squares in 10 ways, for example, as 191535771904 + 28708558096 = 437648^2 + 169436^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (220244330003) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 40927310 + ... + 40932690.

Almost surely, 2^220244330000 is an apocalyptic number.

220244330000 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 220244330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266731473294).

220244330000 is an abundant number, since it is smaller than the sum of its proper divisors (313218616588).

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

220244330000 is an equidigital number, since it uses as much as digits as its factorization.

220244330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502 (or 9481 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 220244330000 its reverse (33442022), we get a palindrome (220277772022).

The spelling of 220244330000 in words is "two hundred twenty billion, two hundred forty-four million, three hundred thirty thousand".