20441313243 has 12 divisors (see below), whose sum is σ = 31797598560. Its totient is φ = 12579269616.

The previous prime is 20441313241. The next prime is 20441313251. The reversal of 20441313243 is 34231314402.

20441313243 is a `hidden beast` number, since 2 + 0 + 4 + 413 + 1 + 3 + 243 = 666.

It is not a de Polignac number, because 20441313243 - 2¹ = 20441313241 is a prime.

It is a super-3 number, since 3×20441313243³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20441313241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87355923 + ... + 87356156.

It is an arithmetic number, because the mean of its divisors is an integer number (2649799880).

Almost surely, 2^20441313243 is an apocalyptic number.

20441313243 is a deficient number, since it is larger than the sum of its proper divisors (11356285317).

20441313243 is a wasteful number, since it uses less digits than its factorization.

20441313243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174712098 (or 174712095 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20441313243 its reverse (34231314402), we get a palindrome (54672627645).

The spelling of 20441313243 in words is "twenty billion, four hundred forty-one million, three hundred thirteen thousand, two hundred forty-three".