20203110323103 has 8 divisors (see below), whose sum is σ = 26937560324016. Its totient is φ = 13468700268800.

The previous prime is 20203110323093. The next prime is 20203110323177. The reversal of 20203110323103 is 30132301130202.

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 20203110323103 - 2¹⁰ = 20203110322079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20203110323103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203110323303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8785938 + ... + 10844303.

It is an arithmetic number, because the mean of its divisors is an integer number (3367195040502).

Almost surely, 2^{20203110323103} is an apocalyptic number.

20203110323103 is a deficient number, since it is larger than the sum of its proper divisors (6734450000913).

20203110323103 is a wasteful number, since it uses less digits than its factorization.

20203110323103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19973305.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20203110323103 its reverse (30132301130202), we get a palindrome (50335411453305).

The spelling of 20203110323103 in words is "twenty trillion, two hundred three billion, one hundred ten million, three hundred twenty-three thousand, one hundred three".