20441003203 has 4 divisors (see below), whose sum is σ = 20588060920. Its totient is φ = 20293945488.

The previous prime is 20441003189. The next prime is 20441003221. The reversal of 20441003203 is 30230014402.

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 20441003203 - 2⁵ = 20441003171 is a prime.

It is a super-2 number, since 2×20441003203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20441003243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73528650 + ... + 73528927.

It is an arithmetic number, because the mean of its divisors is an integer number (5147015230).

Almost surely, 2^20441003203 is an apocalyptic number.

20441003203 is a deficient number, since it is larger than the sum of its proper divisors (147057717).

20441003203 is a wasteful number, since it uses less digits than its factorization.

20441003203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147057716.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20441003203 its reverse (30230014402), we get a palindrome (50671017605).

The spelling of 20441003203 in words is "twenty billion, four hundred forty-one million, three thousand, two hundred three".