20413660110541 has 4 divisors (see below), whose sum is σ = 20413690492284. Its totient is φ = 20413629728800.

The previous prime is 20413660110523. The next prime is 20413660110619. The reversal of 20413660110541 is 14501106631402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10406269515625 + 10007390594916 = 3225875^2 + 3163446^2 .

It is a cyclic number.

It is not a de Polignac number, because 20413660110541 - 2⁷ = 20413660110413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20413660110497 and 20413660110506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413660117541) 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, 14159680 + ... + 15534601.

It is an arithmetic number, because the mean of its divisors is an integer number (5103422623071).

Almost surely, 2^{20413660110541} is an apocalyptic number.

It is an amenable number.

20413660110541 is a deficient number, since it is larger than the sum of its proper divisors (30381743).

20413660110541 is an equidigital number, since it uses as much as digits as its factorization.

20413660110541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30381742.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 20413660110541 its reverse (14501106631402), we get a palindrome (34914766741943).

The spelling of 20413660110541 in words is "twenty trillion, four hundred thirteen billion, six hundred sixty million, one hundred ten thousand, five hundred forty-one".