20507014513 has 2 divisors, whose sum is σ = 20507014514. Its totient is φ = 20507014512.

The previous prime is 20507014483. The next prime is 20507014543. The reversal of 20507014513 is 31541070502.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (20507014483) and next prime (20507014543).

It can be written as a sum of positive squares in only one way, i.e., 20143273329 + 363741184 = 141927^2 + 19072^2 .

It is a cyclic number.

It is not a de Polignac number, because 20507014513 - 2²⁹ = 19970143601 is a prime.

It is not a weakly prime, because it can be changed into another prime (20507014543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10253507256 + 10253507257.

It is an arithmetic number, because the mean of its divisors is an integer number (10253507257).

Almost surely, 2^20507014513 is an apocalyptic number.

It is an amenable number.

20507014513 is a deficient number, since it is larger than the sum of its proper divisors (1).

20507014513 is an equidigital number, since it uses as much as digits as its factorization.

20507014513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 20507014513 in words is "twenty billion, five hundred seven million, fourteen thousand, five hundred thirteen".