2000765 has 8 divisors (see below), whose sum is σ = 2585688. Its totient is φ = 1477440.

The previous prime is 2000753. The next prime is 2000767. The reversal of 2000765 is 5670002.

It can be written as a sum of positive squares in 4 ways, for example, as 1369 + 1999396 = 37^2 + 1414^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2000765 - 2¹⁸ = 1738621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15326 + ... + 15455.

It is an arithmetic number, because the mean of its divisors is an integer number (323211).

2^2000765 is an apocalyptic number.

It is an amenable number.

2000765 is a deficient number, since it is larger than the sum of its proper divisors (584923).

2000765 is a wasteful number, since it uses less digits than its factorization.

2000765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30799.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2000765 is about 1414.4840048583. The cubic root of 2000765 is about 126.0081669351.

Adding to 2000765 its reverse (5670002), we get a palindrome (7670767).

The spelling of 2000765 in words is "two million, seven hundred sixty-five", and thus it is an aban number.