220304003243 has 4 divisors (see below), whose sum is σ = 227900693040. Its totient is φ = 212707313448.

The previous prime is 220304003233. The next prime is 220304003261. The reversal of 220304003243 is 342300403022.

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 220304003243 - 2²⁶ = 220236894379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220304003233) 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 3 ways as a sum of consecutive naturals, for example, 3798344855 + ... + 3798344912.

It is an arithmetic number, because the mean of its divisors is an integer number (56975173260).

Almost surely, 2^220304003243 is an apocalyptic number.

220304003243 is a deficient number, since it is larger than the sum of its proper divisors (7596689797).

220304003243 is an equidigital number, since it uses as much as digits as its factorization.

220304003243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7596689796.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 220304003243 its reverse (342300403022), we get a palindrome (562604406265).

The spelling of 220304003243 in words is "two hundred twenty billion, three hundred four million, three thousand, two hundred forty-three".