220313204240 has 20 divisors (see below), whose sum is σ = 512228200044. Its totient is φ = 88125281664.

The previous prime is 220313204207. The next prime is 220313204273. The reversal of 220313204240 is 42402313022.

It is an interprime number because it is at equal distance from previous prime (220313204207) and next prime (220313204273).

It can be written as a sum of positive squares in 2 ways, for example, as 175299641344 + 45013562896 = 418688^2 + 212164^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 1376957447 + ... + 1376957606.

Almost surely, 2^220313204240 is an apocalyptic number.

220313204240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220313204240 is an abundant number, since it is smaller than the sum of its proper divisors (291914995804).

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

220313204240 is a wasteful number, since it uses less digits than its factorization.

220313204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753915066 (or 2753915060 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 220313204240 its reverse (42402313022), we get a palindrome (262715517262).

The spelling of 220313204240 in words is "two hundred twenty billion, three hundred thirteen million, two hundred four thousand, two hundred forty".