20321414223013 has 4 divisors (see below), whose sum is σ = 20321945109868. Its totient is φ = 20320883336160.

The previous prime is 20321414222999. The next prime is 20321414223091. The reversal of 20321414223013 is 31032241412302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10261111670209 + 10060302552804 = 3203297^2 + 3171798^2 .

It is a cyclic number.

It is not a de Polignac number, because 20321414223013 - 2²⁹ = 20320877352101 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 (20321424223013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265386006 + ... + 265462567.

It is an arithmetic number, because the mean of its divisors is an integer number (5080486277467).

Almost surely, 2^{20321414223013} is an apocalyptic number.

It is an amenable number.

20321414223013 is a deficient number, since it is larger than the sum of its proper divisors (530886855).

20321414223013 is an equidigital number, since it uses as much as digits as its factorization.

20321414223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530886854.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20321414223013 its reverse (31032241412302), we get a palindrome (51353655635315).

The spelling of 20321414223013 in words is "twenty trillion, three hundred twenty-one billion, four hundred fourteen million, two hundred twenty-three thousand, thirteen".