20011443424203 has 32 divisors (see below), whose sum is σ = 33352632041472. Its totient is φ = 10368412538400.

The previous prime is 20011443424177. The next prime is 20011443424283. The reversal of 20011443424203 is 30242434411002.

It is not a de Polignac number, because 20011443424203 - 2⁹ = 20011443423691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20011443424283) 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 31 ways as a sum of consecutive naturals, for example, 113005033 + ... + 113181978.

It is an arithmetic number, because the mean of its divisors is an integer number (1042269751296).

Almost surely, 2^{20011443424203} is an apocalyptic number.

20011443424203 is a deficient number, since it is larger than the sum of its proper divisors (13341188617269).

20011443424203 is a wasteful number, since it uses less digits than its factorization.

20011443424203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226187415.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 20011443424203 its reverse (30242434411002), we get a palindrome (50253877835205).

The spelling of 20011443424203 in words is "twenty trillion, eleven billion, four hundred forty-three million, four hundred twenty-four thousand, two hundred three".