20043110203 has 4 divisors (see below), whose sum is σ = 21098010760. Its totient is φ = 18988209648.

The previous prime is 20043110189. The next prime is 20043110231. The reversal of 20043110203 is 30201134002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20043110203 - 2¹³ = 20043102011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20043110273) 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 3 ways as a sum of consecutive naturals, for example, 527450250 + ... + 527450287.

It is an arithmetic number, because the mean of its divisors is an integer number (5274502690).

Almost surely, 2^20043110203 is an apocalyptic number.

20043110203 is a deficient number, since it is larger than the sum of its proper divisors (1054900557).

20043110203 is a wasteful number, since it uses less digits than its factorization.

20043110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054900556.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20043110203 its reverse (30201134002), we get a palindrome (50244244205).

The spelling of 20043110203 in words is "twenty billion, forty-three million, one hundred ten thousand, two hundred three".