220432543 has 2 divisors, whose sum is σ = 220432544. Its totient is φ = 220432542.

The previous prime is 220432517. The next prime is 220432571. The reversal of 220432543 is 345234022.

220432543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220432543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220432573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110216271 + 110216272.

It is an arithmetic number, because the mean of its divisors is an integer number (110216272).

Almost surely, 2^220432543 is an apocalyptic number.

220432543 is a deficient number, since it is larger than the sum of its proper divisors (1).

220432543 is an equidigital number, since it uses as much as digits as its factorization.

220432543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 220432543 is about 14846.9708358305. The cubic root of 220432543 is about 604.0764480447.

Adding to 220432543 its reverse (345234022), we get a palindrome (565666565).

The spelling of 220432543 in words is "two hundred twenty million, four hundred thirty-two thousand, five hundred forty-three".