20312300203 has 8 divisors (see below), whose sum is σ = 21882633696. Its totient is φ = 18743088000.

The previous prime is 20312300171. The next prime is 20312300243. The reversal of 20312300203 is 30200321302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20312300203 - 2⁵ = 20312300171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20312300243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242503 + ... + 315328.

It is an arithmetic number, because the mean of its divisors is an integer number (2735329212).

Almost surely, 2^20312300203 is an apocalyptic number.

20312300203 is a deficient number, since it is larger than the sum of its proper divisors (1570333493).

20312300203 is a wasteful number, since it uses less digits than its factorization.

20312300203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560645.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20312300203 its reverse (30200321302), we get a palindrome (50512621505).

The spelling of 20312300203 in words is "twenty billion, three hundred twelve million, three hundred thousand, two hundred three".