220000302243 has 24 divisors (see below), whose sum is σ = 320075132000. Its totient is φ = 145609985664.

The previous prime is 220000302161. The next prime is 220000302253. The reversal of 220000302243 is 342203000022.

It is not a de Polignac number, because 220000302243 - 2¹⁴ = 220000285859 is a prime.

It is a super-2 number, since 2×220000302243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220000302253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684093 + ... + 952881.

Almost surely, 2^220000302243 is an apocalyptic number.

220000302243 is a deficient number, since it is larger than the sum of its proper divisors (100074829757).

220000302243 is a wasteful number, since it uses less digits than its factorization.

220000302243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269451 (or 269448 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 220000302243 its reverse (342203000022), we get a palindrome (562203302265).

The spelling of 220000302243 in words is "two hundred twenty billion, three hundred two thousand, two hundred forty-three".