220313243 has 2 divisors, whose sum is σ = 220313244. Its totient is φ = 220313242.

The previous prime is 220313231. The next prime is 220313263. The reversal of 220313243 is 342313022.

It is an a-pointer prime, because the next prime (220313263) can be obtained adding 220313243 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220313243 - 2¹⁴ = 220296859 is a prime.

It is not a weakly prime, because it can be changed into another prime (220313263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110156621 + 110156622.

It is an arithmetic number, because the mean of its divisors is an integer number (110156622).

Almost surely, 2^220313243 is an apocalyptic number.

220313243 is a deficient number, since it is larger than the sum of its proper divisors (1).

220313243 is an equidigital number, since it uses as much as digits as its factorization.

220313243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 220313243 is about 14842.9526375314. The cubic root of 220313243 is about 603.9674512452.

Adding to 220313243 its reverse (342313022), we get a palindrome (562626265).

The spelling of 220313243 in words is "two hundred twenty million, three hundred thirteen thousand, two hundred forty-three".