223020010305 has 24 divisors (see below), whose sum is σ = 386610929640. Its totient is φ = 118930801920.

The previous prime is 223020010289. The next prime is 223020010313. The reversal of 223020010305 is 503010020322.

223020010305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8324007696 + 214696002609 = 91236^2 + 463353^2 .

It is not a de Polignac number, because 223020010305 - 2⁴ = 223020010289 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141751 + ... + 682739.

It is an arithmetic number, because the mean of its divisors is an integer number (16108788735).

Almost surely, 2^223020010305 is an apocalyptic number.

It is an amenable number.

223020010305 is a deficient number, since it is larger than the sum of its proper divisors (163590919335).

223020010305 is a wasteful number, since it uses less digits than its factorization.

223020010305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550161 (or 550158 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 223020010305 its reverse (503010020322), we get a palindrome (726030030627).

The spelling of 223020010305 in words is "two hundred twenty-three billion, twenty million, ten thousand, three hundred five".