20074516513 has 2 divisors, whose sum is σ = 20074516514. Its totient is φ = 20074516512.

The previous prime is 20074516507. The next prime is 20074516573. The reversal of 20074516513 is 31561547002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16375809024 + 3698707489 = 127968^2 + 60817^2 .

It is a cyclic number.

It is not a de Polignac number, because 20074516513 - 2⁹ = 20074516001 is a prime.

It is not a weakly prime, because it can be changed into another prime (20074516573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10037258256 + 10037258257.

It is an arithmetic number, because the mean of its divisors is an integer number (10037258257).

Almost surely, 2^20074516513 is an apocalyptic number.

It is an amenable number.

20074516513 is a deficient number, since it is larger than the sum of its proper divisors (1).

20074516513 is an equidigital number, since it uses as much as digits as its factorization.

20074516513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 20074516513 in words is "twenty billion, seventy-four million, five hundred sixteen thousand, five hundred thirteen".