20433312203 has 8 divisors (see below), whose sum is σ = 20745876288. Its totient is φ = 20120971464.

The previous prime is 20433312199. The next prime is 20433312241. The reversal of 20433312203 is 30221333402.

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 20433312203 - 2² = 20433312199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20433312103) 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, 133400 + ... + 242202.

It is an arithmetic number, because the mean of its divisors is an integer number (2593234536).

Almost surely, 2^20433312203 is an apocalyptic number.

20433312203 is a deficient number, since it is larger than the sum of its proper divisors (312564085).

20433312203 is a wasteful number, since it uses less digits than its factorization.

20433312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111673.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20433312203 its reverse (30221333402), we get a palindrome (50654645605).

The spelling of 20433312203 in words is "twenty billion, four hundred thirty-three million, three hundred twelve thousand, two hundred three".