20450468343 has 8 divisors (see below), whose sum is σ = 27267958768. Its totient is φ = 13633311744.

The previous prime is 20450468323. The next prime is 20450468347. The reversal of 20450468343 is 34386405402.

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

It is not a de Polignac number, because 20450468343 - 2¹² = 20450464247 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 (20450468347) 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, 166071 + ... + 261687.

It is an arithmetic number, because the mean of its divisors is an integer number (3408494846).

Almost surely, 2^20450468343 is an apocalyptic number.

20450468343 is a deficient number, since it is larger than the sum of its proper divisors (6817490425).

20450468343 is an equidigital number, since it uses as much as digits as its factorization.

20450468343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166913.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 20450468343 in words is "twenty billion, four hundred fifty million, four hundred sixty-eight thousand, three hundred forty-three".