20112403304213 has 16 divisors (see below), whose sum is σ = 23098021516800. Its totient is φ = 17319857975280.

The previous prime is 20112403304183. The next prime is 20112403304261. The reversal of 20112403304213 is 31240330421102.

It is a cyclic number.

It is not a de Polignac number, because 20112403304213 - 2¹² = 20112403300117 is a prime.

It is a super-3 number, since 3×20112403304213³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112403204213) 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, 3094931 + ... + 7057152.

It is an arithmetic number, because the mean of its divisors is an integer number (1443626344800).

Almost surely, 2^{20112403304213} is an apocalyptic number.

It is an amenable number.

20112403304213 is a deficient number, since it is larger than the sum of its proper divisors (2985618212587).

20112403304213 is a wasteful number, since it uses less digits than its factorization.

20112403304213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161592.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20112403304213 its reverse (31240330421102), we get a palindrome (51352733725315).

The spelling of 20112403304213 in words is "twenty trillion, one hundred twelve billion, four hundred three million, three hundred four thousand, two hundred thirteen".