20223322313 has 4 divisors (see below), whose sum is σ = 20246920980.
Its totient is φ = 20199723648.
The previous prime is 20223322271. The next prime is 20223322319. The reversal of 20223322313 is 31322332202.
Adding to 20223322313 its reverse (31322332202), we get a palindrome (51545654515).
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 12178667449 + 8044654864 = 110357^2 + 89692^2
It is a cyclic number.
It is not a de Polignac number, because 20223322313 - 216 = 20223256777 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20223322319) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11798048 + ... + 11799761.
It is an arithmetic number, because the mean of its divisors is an integer number (5061730245).
Almost surely, 220223322313 is an apocalyptic number.
It is an amenable number.
20223322313 is a deficient number, since it is larger than the sum of its proper divisors (23598667).
20223322313 is an equidigital number, since it uses as much as digits as its factorization.
20223322313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23598666.
The product of its (nonzero) digits is 2592, while the sum is 23.
The spelling of 20223322313 in words is "twenty billion, two hundred twenty-three million, three hundred twenty-two thousand, three hundred thirteen".