20313204020213 has 16 divisors (see below), whose sum is σ = 22409550129456. Its totient is φ = 18293123573760.

The previous prime is 20313204020149. The next prime is 20313204020231. The reversal of 20313204020213 is 31202040231302.

It can be written as a sum of positive squares in 8 ways, for example, as 9271154150449 + 11042049869764 = 3044857^2 + 3322958^2 .

It is a cyclic number.

It is not a de Polignac number, because 20313204020213 - 2⁶ = 20313204020149 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 (20313204020243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80792945 + ... + 81043977.

It is an arithmetic number, because the mean of its divisors is an integer number (1400596883091).

Almost surely, 2^{20313204020213} is an apocalyptic number.

It is an amenable number.

20313204020213 is a deficient number, since it is larger than the sum of its proper divisors (2096346109243).

20313204020213 is a wasteful number, since it uses less digits than its factorization.

20313204020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402904.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20313204020213 its reverse (31202040231302), we get a palindrome (51515244251515).

The spelling of 20313204020213 in words is "twenty trillion, three hundred thirteen billion, two hundred four million, twenty thousand, two hundred thirteen".