10020445543 has 4 divisors (see below), whose sum is σ = 10233646560. Its totient is φ = 9807244528.

The previous prime is 10020445529. The next prime is 10020445577. The reversal of 10020445543 is 34554402001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34554402001 = 7 ⋅4936343143.

It is a cyclic number.

It is not a de Polignac number, because 10020445543 - 2²⁹ = 9483574631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020445943) 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, 106600438 + ... + 106600531.

It is an arithmetic number, because the mean of its divisors is an integer number (2558411640).

Almost surely, 2^10020445543 is an apocalyptic number.

10020445543 is a deficient number, since it is larger than the sum of its proper divisors (213201017).

10020445543 is an equidigital number, since it uses as much as digits as its factorization.

10020445543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213201016.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 10020445543 its reverse (34554402001), we get a palindrome (44574847544).

The spelling of 10020445543 in words is "ten billion, twenty million, four hundred forty-five thousand, five hundred forty-three".