20324345321 has 8 divisors (see below), whose sum is σ = 23228758080. Its totient is φ = 17420166288.

The previous prime is 20324345287. The next prime is 20324345351. The reversal of 20324345321 is 12354342302.

It is a happy number.

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

It is not a de Polignac number, because 20324345321 - 2¹⁰ = 20324344297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20324345351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210350 + ... + 291368.

It is an arithmetic number, because the mean of its divisors is an integer number (2903594760).

Almost surely, 2^20324345321 is an apocalyptic number.

It is an amenable number.

20324345321 is a deficient number, since it is larger than the sum of its proper divisors (2904412759).

20324345321 is an equidigital number, since it uses as much as digits as its factorization.

20324345321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116863.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 20324345321 its reverse (12354342302), we get a palindrome (32678687623).

The spelling of 20324345321 in words is "twenty billion, three hundred twenty-four million, three hundred forty-five thousand, three hundred twenty-one".