20223001345 has 8 divisors (see below), whose sum is σ = 24268982976.
Its totient is φ = 16177480176.
The previous prime is 20223001343. The next prime is 20223001363. The reversal of 20223001345 is 54310032202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20223001345 - 21 = 20223001343 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20223001343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9717 + ... + 201346.
It is an arithmetic number, because the mean of its divisors is an integer number (3033622872).
Almost surely, 220223001345 is an apocalyptic number.
It is an amenable number.
20223001345 is a deficient number, since it is larger than the sum of its proper divisors (4045981631).
20223001345 is a wasteful number, since it uses less digits than its factorization.
20223001345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230231.
The product of its (nonzero) digits is 1440, while the sum is 22.
Adding to 20223001345 its reverse (54310032202), we get a palindrome (74533033547).
The spelling of 20223001345 in words is "twenty billion, two hundred twenty-three million, one thousand, three hundred forty-five".