220020201223 has 2 divisors, whose sum is σ = 220020201224. Its totient is φ = 220020201222.

The previous prime is 220020201199. The next prime is 220020201329. The reversal of 220020201223 is 322102020022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220020201223 - 2²¹ = 220018104071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220020201197 and 220020201206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220020201623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010100611 + 110010100612.

It is an arithmetic number, because the mean of its divisors is an integer number (110010100612).

Almost surely, 2^220020201223 is an apocalyptic number.

220020201223 is a deficient number, since it is larger than the sum of its proper divisors (1).

220020201223 is an equidigital number, since it uses as much as digits as its factorization.

220020201223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 220020201223 its reverse (322102020022), we get a palindrome (542122221245).

The spelling of 220020201223 in words is "two hundred twenty billion, twenty million, two hundred one thousand, two hundred twenty-three".