20146300513 has 2 divisors, whose sum is σ = 20146300514. Its totient is φ = 20146300512.

The previous prime is 20146300511. The next prime is 20146300583. The reversal of 20146300513 is 31500364102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14576215824 + 5570084689 = 120732^2 + 74633^2 .

It is a cyclic number.

It is not a de Polignac number, because 20146300513 - 2¹ = 20146300511 is a prime.

Together with 20146300511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20146300511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10073150256 + 10073150257.

It is an arithmetic number, because the mean of its divisors is an integer number (10073150257).

Almost surely, 2^20146300513 is an apocalyptic number.

It is an amenable number.

20146300513 is a deficient number, since it is larger than the sum of its proper divisors (1).

20146300513 is an equidigital number, since it uses as much as digits as its factorization.

20146300513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 20146300513 its reverse (31500364102), we get a palindrome (51646664615).

The spelling of 20146300513 in words is "twenty billion, one hundred forty-six million, three hundred thousand, five hundred thirteen".