20013130046387 has 2 divisors, whose sum is σ = 20013130046388. Its totient is φ = 20013130046386.

The previous prime is 20013130046347. The next prime is 20013130046389. The reversal of 20013130046387 is 78364003131002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20013130046387 - 2²⁶ = 20013062937523 is a prime.

Together with 20013130046389, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20013130046387.

It is not a weakly prime, because it can be changed into another prime (20013130046389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006565023193 + 10006565023194.

It is an arithmetic number, because the mean of its divisors is an integer number (10006565023194).

Almost surely, 2^{20013130046387} is an apocalyptic number.

20013130046387 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013130046387 is an equidigital number, since it uses as much as digits as its factorization.

20013130046387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

Adding to 20013130046387 its reverse (78364003131002), we get a palindrome (98377133177389).

The spelling of 20013130046387 in words is "twenty trillion, thirteen billion, one hundred thirty million, forty-six thousand, three hundred eighty-seven".