20320002203 has 8 divisors (see below), whose sum is σ = 20666707200. Its totient is φ = 19973373928.

The previous prime is 20320002193. The next prime is 20320002229. The reversal of 20320002203 is 30220002302.

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 20320002203 - 2⁴ = 20320002187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20320007203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839018 + ... + 862896.

It is an arithmetic number, because the mean of its divisors is an integer number (2583338400).

Almost surely, 2^20320002203 is an apocalyptic number.

20320002203 is a deficient number, since it is larger than the sum of its proper divisors (346704997).

20320002203 is a wasteful number, since it uses less digits than its factorization.

20320002203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38361.

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 20320002203 its reverse (30220002302), we get a palindrome (50540004505).

Subtracting 20320002203 from its reverse (30220002302), we obtain a palindrome (9900000099).

The spelling of 20320002203 in words is "twenty billion, three hundred twenty million, two thousand, two hundred three".