20432574341 has 4 divisors (see below), whose sum is σ = 21137145900. Its totient is φ = 19728002784.

The previous prime is 20432574317. The next prime is 20432574359. The reversal of 20432574341 is 14347523402.

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 16992165316 + 3440409025 = 130354^2 + 58655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20432574341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432574361) 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, 352285736 + ... + 352285793.

It is an arithmetic number, because the mean of its divisors is an integer number (5284286475).

Almost surely, 2^20432574341 is an apocalyptic number.

It is an amenable number.

20432574341 is a deficient number, since it is larger than the sum of its proper divisors (704571559).

20432574341 is an equidigital number, since it uses as much as digits as its factorization.

20432574341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704571558.

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 20432574341 in words is "twenty billion, four hundred thirty-two million, five hundred seventy-four thousand, three hundred forty-one".