20140140443321 has 8 divisors (see below), whose sum is σ = 20632395928320. Its totient is φ = 19648970418672.

The previous prime is 20140140443317. The next prime is 20140140443327. The reversal of 20140140443321 is 12334404104102.

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 20140140443321 - 2² = 20140140443317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20140140443327) 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, 271327526 + ... + 271401743.

It is an arithmetic number, because the mean of its divisors is an integer number (2579049491040).

Almost surely, 2^{20140140443321} is an apocalyptic number.

It is an amenable number.

20140140443321 is a deficient number, since it is larger than the sum of its proper divisors (492255484999).

20140140443321 is an equidigital number, since it uses as much as digits as its factorization.

20140140443321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542730175.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 20140140443321 its reverse (12334404104102), we get a palindrome (32474544547423).

The spelling of 20140140443321 in words is "twenty trillion, one hundred forty billion, one hundred forty million, four hundred forty-three thousand, three hundred twenty-one".