2000705705 has 4 divisors (see below), whose sum is σ = 2400846852. Its totient is φ = 1600564560.

The previous prime is 2000705657. The next prime is 2000705767. The reversal of 2000705705 is 5075070002.

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 1050278464 + 950427241 = 32408^2 + 30829^2 .

It is not a de Polignac number, because 2000705705 - 2¹⁴ = 2000689321 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, 200070566 + ... + 200070575.

It is an arithmetic number, because the mean of its divisors is an integer number (600211713).

Almost surely, 2^2000705705 is an apocalyptic number.

It is an amenable number.

2000705705 is a deficient number, since it is larger than the sum of its proper divisors (400141147).

2000705705 is an equidigital number, since it uses as much as digits as its factorization.

2000705705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400141146.

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 2000705705 is about 44729.2488758754. The cubic root of 2000705705 is about 1260.0692212328.

Adding to 2000705705 its reverse (5075070002), we get a palindrome (7075775707).

The spelling of 2000705705 in words is "two billion, seven hundred five thousand, seven hundred five".