220344425353441 has 4 divisors (see below), whose sum is σ = 222616017367492. Its totient is φ = 218072833339392.

The previous prime is 220344425353427. The next prime is 220344425353447. The reversal of 220344425353441 is 144353524443022.

220344425353441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 131342258016225 + 89002167337216 = 11460465^2 + 9434096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220344425353441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220344425353391 and 220344425353400.

It is not an unprimeable number, because it can be changed into a prime (220344425353447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135796006880 + ... + 1135796007073.

It is an arithmetic number, because the mean of its divisors is an integer number (55654004341873).

Almost surely, 2^{220344425353441} is an apocalyptic number.

It is an amenable number.

220344425353441 is a deficient number, since it is larger than the sum of its proper divisors (2271592014051).

220344425353441 is an equidigital number, since it uses as much as digits as its factorization.

220344425353441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271592014050.

The product of its (nonzero) digits is 5529600, while the sum is 46.

Adding to 220344425353441 its reverse (144353524443022), we get a palindrome (364697949796463).

The spelling of 220344425353441 in words is "two hundred twenty trillion, three hundred forty-four billion, four hundred twenty-five million, three hundred fifty-three thousand, four hundred forty-one".