20112243133203 has 24 divisors (see below), whose sum is σ = 31798592068880. Its totient is φ = 12173867213760.

The previous prime is 20112243133201. The next prime is 20112243133253. The reversal of 20112243133203 is 30233134221102.

20112243133203 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 2 + 24 + 313 + 320 + 3 = 666.

It is not a de Polignac number, because 20112243133203 - 2¹ = 20112243133201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112243133201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1409005273 + ... + 1409019546.

Almost surely, 2^{20112243133203} is an apocalyptic number.

20112243133203 is a deficient number, since it is larger than the sum of its proper divisors (11686348935677).

20112243133203 is a wasteful number, since it uses less digits than its factorization.

20112243133203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818024899 (or 2818024896 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20112243133203 its reverse (30233134221102), we get a palindrome (50345377354305).

The spelling of 20112243133203 in words is "twenty trillion, one hundred twelve billion, two hundred forty-three million, one hundred thirty-three thousand, two hundred three".