20201103112443 has 16 divisors (see below), whose sum is σ = 29881446825600. Its totient is φ = 12035582746880.

The previous prime is 20201103112439. The next prime is 20201103112459. The reversal of 20201103112443 is 34421130110202.

It is not a de Polignac number, because 20201103112443 - 2² = 20201103112439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201103112243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5187749238 + ... + 5187753131.

It is an arithmetic number, because the mean of its divisors is an integer number (1867590426600).

Almost surely, 2^{20201103112443} is an apocalyptic number.

20201103112443 is a deficient number, since it is larger than the sum of its proper divisors (9680343713157).

20201103112443 is a wasteful number, since it uses less digits than its factorization.

20201103112443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10375502442.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20201103112443 its reverse (34421130110202), we get a palindrome (54622233222645).

The spelling of 20201103112443 in words is "twenty trillion, two hundred one billion, one hundred three million, one hundred twelve thousand, four hundred forty-three".