20322301223 has 4 divisors (see below), whose sum is σ = 23225487120. Its totient is φ = 17419115328.

The previous prime is 20322301183. The next prime is 20322301231. The reversal of 20322301223 is 32210322302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32210322302 = 2 ⋅16105161151.

It is a cyclic number.

It is not a de Polignac number, because 20322301223 - 2⁸ = 20322300967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20322301195 and 20322301204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322301273) 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, 1451592938 + ... + 1451592951.

It is an arithmetic number, because the mean of its divisors is an integer number (5806371780).

Almost surely, 2^20322301223 is an apocalyptic number.

20322301223 is a deficient number, since it is larger than the sum of its proper divisors (2903185897).

20322301223 is an equidigital number, since it uses as much as digits as its factorization.

20322301223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903185896.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20322301223 its reverse (32210322302), we get a palindrome (52532623525).

The spelling of 20322301223 in words is "twenty billion, three hundred twenty-two million, three hundred one thousand, two hundred twenty-three".