220241543 has 2 divisors, whose sum is σ = 220241544. Its totient is φ = 220241542.

The previous prime is 220241531. The next prime is 220241551. The reversal of 220241543 is 345142022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220241543 - 2⁶ = 220241479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220241843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110120771 + 110120772.

It is an arithmetic number, because the mean of its divisors is an integer number (110120772).

Almost surely, 2^220241543 is an apocalyptic number.

220241543 is a deficient number, since it is larger than the sum of its proper divisors (1).

220241543 is an equidigital number, since it uses as much as digits as its factorization.

220241543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 220241543 is about 14840.5371533513. The cubic root of 220241543 is about 603.9019245973.

Adding to 220241543 its reverse (345142022), we get a palindrome (565383565).

The spelling of 220241543 in words is "two hundred twenty million, two hundred forty-one thousand, five hundred forty-three".