20302002223 has 4 divisors (see below), whose sum is σ = 20503012248. Its totient is φ = 20100992200.

The previous prime is 20302002211. The next prime is 20302002229. The reversal of 20302002223 is 32220020302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20302002223 - 2¹⁷ = 20301871151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20302002197 and 20302002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302002229) 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, 100504861 + ... + 100505062.

It is an arithmetic number, because the mean of its divisors is an integer number (5125753062).

Almost surely, 2^20302002223 is an apocalyptic number.

20302002223 is a deficient number, since it is larger than the sum of its proper divisors (201010025).

20302002223 is a wasteful number, since it uses less digits than its factorization.

20302002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201010024.

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20302002223 its reverse (32220020302), we get a palindrome (52522022525).

The spelling of 20302002223 in words is "twenty billion, three hundred two million, two thousand, two hundred twenty-three".