20212323201313 has 4 divisors (see below), whose sum is σ = 20359858407300. Its totient is φ = 20064787995328.

The previous prime is 20212323201307. The next prime is 20212323201331. The reversal of 20212323201313 is 31310232321202.

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 8486198219664 + 11726124981649 = 2913108^2 + 3424343^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212323201313 - 2³⁷ = 20074884247841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212323201353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73767602788 + ... + 73767603061.

It is an arithmetic number, because the mean of its divisors is an integer number (5089964601825).

Almost surely, 2^{20212323201313} is an apocalyptic number.

It is an amenable number.

20212323201313 is a deficient number, since it is larger than the sum of its proper divisors (147535205987).

20212323201313 is a wasteful number, since it uses less digits than its factorization.

20212323201313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147535205986.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20212323201313 its reverse (31310232321202), we get a palindrome (51522555522515).

The spelling of 20212323201313 in words is "twenty trillion, two hundred twelve billion, three hundred twenty-three million, two hundred one thousand, three hundred thirteen".