220320223 has 2 divisors, whose sum is σ = 220320224. Its totient is φ = 220320222.

The previous prime is 220320203. The next prime is 220320239. The reversal of 220320223 is 322023022.

It is an a-pointer prime, because the next prime (220320239) can be obtained adding 220320223 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220320223 - 2¹³ = 220312031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220320197 and 220320206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220320203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110160111 + 110160112.

It is an arithmetic number, because the mean of its divisors is an integer number (110160112).

Almost surely, 2^220320223 is an apocalyptic number.

220320223 is a deficient number, since it is larger than the sum of its proper divisors (1).

220320223 is an equidigital number, since it uses as much as digits as its factorization.

220320223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 220320223 is about 14843.1877640890. The cubic root of 220320223 is about 603.9738295095.

Adding to 220320223 its reverse (322023022), we get a palindrome (542343245).

The spelling of 220320223 in words is "two hundred twenty million, three hundred twenty thousand, two hundred twenty-three".