20120323321 has 8 divisors (see below), whose sum is σ = 23026290560. Its totient is φ = 17222264928.

The previous prime is 20120323319. The next prime is 20120323369. The reversal of 20120323321 is 12332302102.

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 20120323321 - 2¹ = 20120323319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120323921) 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, 1971756 + ... + 1981933.

It is an arithmetic number, because the mean of its divisors is an integer number (2878286320).

Almost surely, 2^20120323321 is an apocalyptic number.

It is an amenable number.

20120323321 is a deficient number, since it is larger than the sum of its proper divisors (2905967239).

20120323321 is an equidigital number, since it uses as much as digits as its factorization.

20120323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954423.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20120323321 its reverse (12332302102), we get a palindrome (32452625423).

The spelling of 20120323321 in words is "twenty billion, one hundred twenty million, three hundred twenty-three thousand, three hundred twenty-one".