2002680 has 48 divisors (see below), whose sum is σ = 6509880. Its totient is φ = 533952.

The previous prime is 2002673. The next prime is 2002681. The reversal of 2002680 is 862002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2422 + ... + 3141.

2^2002680 is an apocalyptic number.

2002680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002680 is an abundant number, since it is smaller than the sum of its proper divisors (4507200).

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

2002680 is a wasteful number, since it uses less digits than its factorization.

2002680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580 (or 5573 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2002680 is about 1415.1607682521. The cubic root of 2002680 is about 126.0483563449.

Adding to 2002680 its reverse (862002), we get a palindrome (2864682).

The spelling of 2002680 in words is "two million, two thousand, six hundred eighty".