20413140553441 has 4 divisors (see below), whose sum is σ = 20413192612612. Its totient is φ = 20413088494272.

The previous prime is 20413140553439. The next prime is 20413140553447. The reversal of 20413140553441 is 14435504131402.

It is a happy number.

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 19342579920400 + 1070560633041 = 4398020^2 + 1034679^2 .

It is a cyclic number.

It is not a de Polignac number, because 20413140553441 - 2¹ = 20413140553439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20413140553441.

It is not an unprimeable number, because it can be changed into a prime (20413140553447) 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, 25436916 + ... + 26227141.

It is an arithmetic number, because the mean of its divisors is an integer number (5103298153153).

Almost surely, 2^{20413140553441} is an apocalyptic number.

It is an amenable number.

20413140553441 is a deficient number, since it is larger than the sum of its proper divisors (52059171).

20413140553441 is an equidigital number, since it uses as much as digits as its factorization.

20413140553441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52059170.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 20413140553441 its reverse (14435504131402), we get a palindrome (34848644684843).

The spelling of 20413140553441 in words is "twenty trillion, four hundred thirteen billion, one hundred forty million, five hundred fifty-three thousand, four hundred forty-one".