20223320353 has 2 divisors, whose sum is σ = 20223320354. Its totient is φ = 20223320352.

The previous prime is 20223320281. The next prime is 20223320419. The reversal of 20223320353 is 35302332202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19728168849 + 495151504 = 140457^2 + 22252^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223320353 - 2⁹ = 20223319841 is a prime.

It is a super-2 number, since 2×20223320353² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20223327353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111660176 + 10111660177.

It is an arithmetic number, because the mean of its divisors is an integer number (10111660177).

Almost surely, 2^20223320353 is an apocalyptic number.

It is an amenable number.

20223320353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223320353 is an equidigital number, since it uses as much as digits as its factorization.

20223320353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 25.

Adding to 20223320353 its reverse (35302332202), we get a palindrome (55525652555).

The spelling of 20223320353 in words is "twenty billion, two hundred twenty-three million, three hundred twenty thousand, three hundred fifty-three".