20514430216013 has 2 divisors, whose sum is σ = 20514430216014. Its totient is φ = 20514430216012.

The previous prime is 20514430215971. The next prime is 20514430216069. The reversal of 20514430216013 is 31061203441502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11019730881604 + 9494699334409 = 3319598^2 + 3081347^2 .

It is a cyclic number.

It is not a de Polignac number, because 20514430216013 - 2¹⁴ = 20514430199629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20514430216913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10257215108006 + 10257215108007.

It is an arithmetic number, because the mean of its divisors is an integer number (10257215108007).

Almost surely, 2^{20514430216013} is an apocalyptic number.

It is an amenable number.

20514430216013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20514430216013 is an equidigital number, since it uses as much as digits as its factorization.

20514430216013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 20514430216013 its reverse (31061203441502), we get a palindrome (51575633657515).

The spelling of 20514430216013 in words is "twenty trillion, five hundred fourteen billion, four hundred thirty million, two hundred sixteen thousand, thirteen".