220243303 has 4 divisors (see below), whose sum is σ = 251706640. Its totient is φ = 188779968.

The previous prime is 220243259. The next prime is 220243319. The reversal of 220243303 is 303342022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220243303 - 2¹³ = 220235111 is a prime.

It is a super-2 number, since 2×220243303² = 97014225032699618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220243333) 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 in 3 ways as a sum of consecutive naturals, for example, 15731658 + ... + 15731671.

It is an arithmetic number, because the mean of its divisors is an integer number (62926660).

Almost surely, 2^220243303 is an apocalyptic number.

220243303 is a deficient number, since it is larger than the sum of its proper divisors (31463337).

220243303 is an equidigital number, since it uses as much as digits as its factorization.

220243303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31463336.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 220243303 is about 14840.5964502779. The cubic root of 220243303 is about 603.9035332320.

Adding to 220243303 its reverse (303342022), we get a palindrome (523585325).

The spelling of 220243303 in words is "two hundred twenty million, two hundred forty-three thousand, three hundred three".