20320242343 has 8 divisors (see below), whose sum is σ = 20872435712. Its totient is φ = 19768206816.

The previous prime is 20320242337. The next prime is 20320242361. The reversal of 20320242343 is 34324202302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20320242343 - 2⁵ = 20320242311 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 (20320242323) 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 7 ways as a sum of consecutive naturals, for example, 249946 + ... + 321112.

It is an arithmetic number, because the mean of its divisors is an integer number (2609054464).

Almost surely, 2^20320242343 is an apocalyptic number.

20320242343 is a deficient number, since it is larger than the sum of its proper divisors (552193369).

20320242343 is an equidigital number, since it uses as much as digits as its factorization.

20320242343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78921.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20320242343 its reverse (34324202302), we get a palindrome (54644444645).

The spelling of 20320242343 in words is "twenty billion, three hundred twenty million, two hundred forty-two thousand, three hundred forty-three".