20223193 has 2 divisors, whose sum is σ = 20223194. Its totient is φ = 20223192.

The previous prime is 20223173. The next prime is 20223221. The reversal of 20223193 is 39132202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19114384 + 1108809 = 4372^2 + 1053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20223193 is a prime.

It is not a weakly prime, because it can be changed into another prime (20223103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111596 + 10111597.

It is an arithmetic number, because the mean of its divisors is an integer number (10111597).

Almost surely, 2^20223193 is an apocalyptic number.

It is an amenable number.

20223193 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223193 is an equidigital number, since it uses as much as digits as its factorization.

20223193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 20223193 is about 4497.0204580366. The cubic root of 20223193 is about 272.4477603757.

Adding to 20223193 its reverse (39132202), we get a palindrome (59355395).

The spelling of 20223193 in words is "twenty million, two hundred twenty-three thousand, one hundred ninety-three".