20244041201543 has 4 divisors (see below), whose sum is σ = 20252314208160. Its totient is φ = 20235768194928.

The previous prime is 20244041201533. The next prime is 20244041201551. The reversal of 20244041201543 is 34510214044202.

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 20244041201543 - 2¹⁸ = 20244040939399 is a prime.

It is a super-2 number, since 2×20244041201543² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244041201533) 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, 4136499638 + ... + 4136504531.

It is an arithmetic number, because the mean of its divisors is an integer number (5063078552040).

Almost surely, 2^{20244041201543} is an apocalyptic number.

20244041201543 is a deficient number, since it is larger than the sum of its proper divisors (8273006617).

20244041201543 is an equidigital number, since it uses as much as digits as its factorization.

20244041201543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8273006616.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 20244041201543 its reverse (34510214044202), we get a palindrome (54754255245745).

The spelling of 20244041201543 in words is "twenty trillion, two hundred forty-four billion, forty-one million, two hundred one thousand, five hundred forty-three".