2000775505 has 4 divisors (see below), whose sum is σ = 2400930612. Its totient is φ = 1600620400.

The previous prime is 2000775499. The next prime is 2000775521. The reversal of 2000775505 is 5055770002.

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 425638161 + 1575137344 = 20631^2 + 39688^2 .

It is not a de Polignac number, because 2000775505 - 2⁵ = 2000775473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200077546 + ... + 200077555.

It is an arithmetic number, because the mean of its divisors is an integer number (600232653).

Almost surely, 2^2000775505 is an apocalyptic number.

It is an amenable number.

2000775505 is a deficient number, since it is larger than the sum of its proper divisors (400155107).

2000775505 is an equidigital number, since it uses as much as digits as its factorization.

2000775505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400155106.

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 2000775505 is about 44730.0291191499. The cubic root of 2000775505 is about 1260.0838746971.

The spelling of 2000775505 in words is "two billion, seven hundred seventy-five thousand, five hundred five".