220430543 has 2 divisors, whose sum is σ = 220430544. Its totient is φ = 220430542.

The previous prime is 220430527. The next prime is 220430579. The reversal of 220430543 is 345034022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220430543 - 2⁴ = 220430527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220432543) 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, 110215271 + 110215272.

It is an arithmetic number, because the mean of its divisors is an integer number (110215272).

Almost surely, 2^220430543 is an apocalyptic number.

220430543 is a deficient number, since it is larger than the sum of its proper divisors (1).

220430543 is an equidigital number, since it uses as much as digits as its factorization.

220430543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 220430543 is about 14846.9034818712. The cubic root of 220430543 is about 604.0746210965.

Adding to 220430543 its reverse (345034022), we get a palindrome (565464565).

The spelling of 220430543 in words is "two hundred twenty million, four hundred thirty thousand, five hundred forty-three".