20302332203 has 4 divisors (see below), whose sum is σ = 20408627328. Its totient is φ = 20196037080.

The previous prime is 20302332199. The next prime is 20302332247. The reversal of 20302332203 is 30223320302.

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 20302332203 - 2² = 20302332199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302332103) 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, 53147276 + ... + 53147657.

It is an arithmetic number, because the mean of its divisors is an integer number (5102156832).

Almost surely, 2^20302332203 is an apocalyptic number.

20302332203 is a deficient number, since it is larger than the sum of its proper divisors (106295125).

20302332203 is a wasteful number, since it uses less digits than its factorization.

20302332203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106295124.

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 20302332203 its reverse (30223320302), we get a palindrome (50525652505).

The spelling of 20302332203 in words is "twenty billion, three hundred two million, three hundred thirty-two thousand, two hundred three".