2000716505 has 4 divisors (see below), whose sum is σ = 2400859812. Its totient is φ = 1600573200.

The previous prime is 2000716463. The next prime is 2000716507. The reversal of 2000716505 is 5056170002.

2000716505 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 650301001 + 1350415504 = 25501^2 + 36748^2 .

It is not a de Polignac number, because 2000716505 - 2⁶ = 2000716441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2000716507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200071646 + ... + 200071655.

It is an arithmetic number, because the mean of its divisors is an integer number (600214953).

Almost surely, 2^2000716505 is an apocalyptic number.

It is an amenable number.

2000716505 is a deficient number, since it is larger than the sum of its proper divisors (400143307).

2000716505 is an equidigital number, since it uses as much as digits as its factorization.

2000716505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400143306.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2000716505 is about 44729.3696020858. The cubic root of 2000716505 is about 1260.0714885533.

Adding to 2000716505 its reverse (5056170002), we get a palindrome (7056886507).

The spelling of 2000716505 in words is "two billion, seven hundred sixteen thousand, five hundred five".