20340134341 has 4 divisors (see below), whose sum is σ = 21224488032. Its totient is φ = 19455780652.

The previous prime is 20340134323. The next prime is 20340134393. The reversal of 20340134341 is 14343104302.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14343104302 = 2 ⋅7171552151.

It is a cyclic number.

It is not a de Polignac number, because 20340134341 - 2²⁹ = 19803263429 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 (20340131341) 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, 442176811 + ... + 442176856.

It is an arithmetic number, because the mean of its divisors is an integer number (5306122008).

Almost surely, 2^20340134341 is an apocalyptic number.

It is an amenable number.

20340134341 is a deficient number, since it is larger than the sum of its proper divisors (884353691).

20340134341 is an equidigital number, since it uses as much as digits as its factorization.

20340134341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884353690.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20340134341 its reverse (14343104302), we get a palindrome (34683238643).

The spelling of 20340134341 in words is "twenty billion, three hundred forty million, one hundred thirty-four thousand, three hundred forty-one".