20343313413 has 12 divisors (see below), whose sum is σ = 29449091308. Its totient is φ = 13532529600.

The previous prime is 20343313379. The next prime is 20343313451. The reversal of 20343313413 is 31431334302.

20343313413 is a `hidden beast` number, since 2 + 0 + 343 + 313 + 4 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18561882564 + 1781430849 = 136242^2 + 42207^2 .

It is not a de Polignac number, because 20343313413 - 2¹⁶ = 20343247877 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 (20343313213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2468938 + ... + 2477163.

Almost surely, 2^20343313413 is an apocalyptic number.

It is an amenable number.

20343313413 is a deficient number, since it is larger than the sum of its proper divisors (9105777895).

20343313413 is a wasteful number, since it uses less digits than its factorization.

20343313413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946564 (or 4946561 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 20343313413 its reverse (31431334302), we get a palindrome (51774647715).

The spelling of 20343313413 in words is "twenty billion, three hundred forty-three million, three hundred thirteen thousand, four hundred thirteen".