20432442041413 has 4 divisors (see below), whose sum is σ = 20448075127680. Its totient is φ = 20416808955148.

The previous prime is 20432442041381. The next prime is 20432442041437. The reversal of 20432442041413 is 31414024423402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20432442041413 - 2⁵ = 20432442041381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432442041113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7816541173 + ... + 7816543786.

It is an arithmetic number, because the mean of its divisors is an integer number (5112018781920).

Almost surely, 2^{20432442041413} is an apocalyptic number.

It is an amenable number.

20432442041413 is a deficient number, since it is larger than the sum of its proper divisors (15633086267).

20432442041413 is a wasteful number, since it uses less digits than its factorization.

20432442041413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15633086266.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 20432442041413 its reverse (31414024423402), we get a palindrome (51846466464815).

The spelling of 20432442041413 in words is "twenty trillion, four hundred thirty-two billion, four hundred forty-two million, forty-one thousand, four hundred thirteen".