20413203444441 has 24 divisors (see below), whose sum is σ = 29731945186944. Its totient is φ = 13495618392480.

The previous prime is 20413203444329. The next prime is 20413203444449. The reversal of 20413203444441 is 14444430231402.

20413203444441 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 3 + 203 + 4 + 4 + 4 + 441 = 666.

It is not a de Polignac number, because 20413203444441 - 2¹⁰ = 20413203443417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20413203444396 and 20413203444405.

It is not an unprimeable number, because it can be changed into a prime (20413203444449) 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 23 ways as a sum of consecutive naturals, for example, 18207105 + ... + 19295726.

It is an arithmetic number, because the mean of its divisors is an integer number (1238831049456).

Almost surely, 2^{20413203444441} is an apocalyptic number.

It is an amenable number.

20413203444441 is a deficient number, since it is larger than the sum of its proper divisors (9318741742503).

20413203444441 is a wasteful number, since it uses less digits than its factorization.

20413203444441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37503341 (or 37503338 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 20413203444441 its reverse (14444430231402), we get a palindrome (34857633675843).

The spelling of 20413203444441 in words is "twenty trillion, four hundred thirteen billion, two hundred three million, four hundred forty-four thousand, four hundred forty-one".