20012443001313 has 48 divisors (see below), whose sum is σ = 32715241878144. Its totient is φ = 10656429926400.

The previous prime is 20012443001297. The next prime is 20012443001329. The reversal of 20012443001313 is 31310034421002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20012443001297) and next prime (20012443001329).

It is not a de Polignac number, because 20012443001313 - 2⁴ = 20012443001297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20012443001333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15711220 + ... + 16937157.

It is an arithmetic number, because the mean of its divisors is an integer number (681567539128).

Almost surely, 2^{20012443001313} is an apocalyptic number.

It is an amenable number.

20012443001313 is a deficient number, since it is larger than the sum of its proper divisors (12702798876831).

20012443001313 is a wasteful number, since it uses less digits than its factorization.

20012443001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32648522 (or 32648505 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20012443001313 its reverse (31310034421002), we get a palindrome (51322477422315).

The spelling of 20012443001313 in words is "twenty trillion, twelve billion, four hundred forty-three million, one thousand, three hundred thirteen".