2000660 has 24 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 794144.

The previous prime is 2000659. The next prime is 2000671. The reversal of 2000660 is 660002.

2000660 is a modest number, since divided by 660 gives 200 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3041 + ... + 3639.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^2000660 is an apocalyptic number.

2000660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000660 is an abundant number, since it is smaller than the sum of its proper divisors (2232940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2000660 is a wasteful number, since it uses less digits than its factorization.

2000660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2000660 is about 1414.4468883631. The cubic root of 2000660 is about 126.0059625968.

Adding to 2000660 its reverse (660002), we get a palindrome (2660662).

The spelling of 2000660 in words is "two million, six hundred sixty", and thus it is an aban number.