20322989343 has 24 divisors (see below), whose sum is σ = 30449984656. Its totient is φ = 13545403200.

The previous prime is 20322989339. The next prime is 20322989383. The reversal of 20322989343 is 34398922302.

20322989343 is a `hidden beast` number, since 2 + 0 + 3 + 229 + 89 + 343 = 666.

It is not a de Polignac number, because 20322989343 - 2² = 20322989339 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 (20322989383) 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 23 ways as a sum of consecutive naturals, for example, 1421973 + ... + 1436193.

Almost surely, 2^20322989343 is an apocalyptic number.

20322989343 is a deficient number, since it is larger than the sum of its proper divisors (10126995313).

20322989343 is an equidigital number, since it uses as much as digits as its factorization.

20322989343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20117 (or 20105 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 20322989343 in words is "twenty billion, three hundred twenty-two million, nine hundred eighty-nine thousand, three hundred forty-three".