220134443 has 4 divisors (see below), whose sum is σ = 220179408. Its totient is φ = 220089480.

The previous prime is 220134433. The next prime is 220134451. The reversal of 220134443 is 344431022.

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 220134443 - 2²⁴ = 203357227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220134413) 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 3 ways as a sum of consecutive naturals, for example, 14096 + ... + 25277.

It is an arithmetic number, because the mean of its divisors is an integer number (55044852).

Almost surely, 2^220134443 is an apocalyptic number.

220134443 is a deficient number, since it is larger than the sum of its proper divisors (44965).

220134443 is an equidigital number, since it uses as much as digits as its factorization.

220134443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44964.

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

The square root of 220134443 is about 14836.9283546157. The cubic root of 220134443 is about 603.8040193883.

Adding to 220134443 its reverse (344431022), we get a palindrome (564565465).

The spelling of 220134443 in words is "two hundred twenty million, one hundred thirty-four thousand, four hundred forty-three".