20003112303 has 16 divisors (see below), whose sum is σ = 26912373600. Its totient is φ = 13214969856.

The previous prime is 20003112229. The next prime is 20003112313. The reversal of 20003112303 is 30321130002.

It is not a de Polignac number, because 20003112303 - 2²⁰ = 20002063727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003112313) 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 15 ways as a sum of consecutive naturals, for example, 194973 + ... + 279321.

It is an arithmetic number, because the mean of its divisors is an integer number (1682023350).

Almost surely, 2^20003112303 is an apocalyptic number.

20003112303 is a deficient number, since it is larger than the sum of its proper divisors (6909261297).

20003112303 is a wasteful number, since it uses less digits than its factorization.

20003112303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85066.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20003112303 its reverse (30321130002), we get a palindrome (50324242305).

The spelling of 20003112303 in words is "twenty billion, three million, one hundred twelve thousand, three hundred three".