20322342203 has 4 divisors (see below), whose sum is σ = 20818009128. Its totient is φ = 19826675280.

The previous prime is 20322342199. The next prime is 20322342217. The reversal of 20322342203 is 30224322302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30224322302 = 2 ⋅15112161151.

It is a cyclic number.

It is not a de Polignac number, because 20322342203 - 2² = 20322342199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20322342223) 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, 247833401 + ... + 247833482.

It is an arithmetic number, because the mean of its divisors is an integer number (5204502282).

Almost surely, 2^20322342203 is an apocalyptic number.

20322342203 is a deficient number, since it is larger than the sum of its proper divisors (495666925).

20322342203 is an equidigital number, since it uses as much as digits as its factorization.

20322342203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495666924.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 20322342203 its reverse (30224322302), we get a palindrome (50546664505).

The spelling of 20322342203 in words is "twenty billion, three hundred twenty-two million, three hundred forty-two thousand, two hundred three".