220202443 has 2 divisors, whose sum is σ = 220202444. Its totient is φ = 220202442.

The previous prime is 220202413. The next prime is 220202449. The reversal of 220202443 is 344202022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220202443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220202443.

It is not a weakly prime, because it can be changed into another prime (220202449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110101221 + 110101222.

It is an arithmetic number, because the mean of its divisors is an integer number (110101222).

Almost surely, 2^220202443 is an apocalyptic number.

220202443 is a deficient number, since it is larger than the sum of its proper divisors (1).

220202443 is an equidigital number, since it uses as much as digits as its factorization.

220202443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 220202443 is about 14839.2197571166. The cubic root of 220202443 is about 603.8661851051.

Adding to 220202443 its reverse (344202022), we get a palindrome (564404465).

The spelling of 220202443 in words is "two hundred twenty million, two hundred two thousand, four hundred forty-three".