220344012443 has 4 divisors (see below), whose sum is σ = 221497646208. Its totient is φ = 219190378680.

The previous prime is 220344012403. The next prime is 220344012467. The reversal of 220344012443 is 344210443022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344210443022 = 2 ⋅172105221511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220344012443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220344012403) 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, 576816596 + ... + 576816977.

It is an arithmetic number, because the mean of its divisors is an integer number (55374411552).

Almost surely, 2^220344012443 is an apocalyptic number.

220344012443 is a deficient number, since it is larger than the sum of its proper divisors (1153633765).

220344012443 is a wasteful number, since it uses less digits than its factorization.

220344012443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153633764.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 220344012443 its reverse (344210443022), we get a palindrome (564554455465).

The spelling of 220344012443 in words is "two hundred twenty billion, three hundred forty-four million, twelve thousand, four hundred forty-three".