220340203443331 has 4 divisors (see below), whose sum is σ = 233301391881192. Its totient is φ = 207379015005472.

The previous prime is 220340203443323. The next prime is 220340203443341. The reversal of 220340203443331 is 133344302043022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220340203443331 - 2³ = 220340203443323 is a prime.

It is a super-2 number, since 2×220340203443331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220340203443341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6480594218905 + ... + 6480594218938.

It is an arithmetic number, because the mean of its divisors is an integer number (58325347970298).

Almost surely, 2^{220340203443331} is an apocalyptic number.

220340203443331 is a deficient number, since it is larger than the sum of its proper divisors (12961188437861).

220340203443331 is a wasteful number, since it uses less digits than its factorization.

220340203443331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12961188437860.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 220340203443331 its reverse (133344302043022), we get a palindrome (353684505486353).

The spelling of 220340203443331 in words is "two hundred twenty trillion, three hundred forty billion, two hundred three million, four hundred forty-three thousand, three hundred thirty-one".