2002520 has 32 divisors (see below), whose sum is σ = 4853520. Its totient is φ = 739200.

The previous prime is 2002471. The next prime is 2002523. The reversal of 2002520 is 252002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406 + ... + 2445.

2^2002520 is an apocalyptic number.

2002520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002520 is an abundant number, since it is smaller than the sum of its proper divisors (2851000).

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

2002520 is a wasteful number, since it uses less digits than its factorization.

2002520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875 (or 3871 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 2002520 is about 1415.1042364434. The cubic root of 2002520 is about 126.0449994641.

Adding to 2002520 its reverse (252002), we get a palindrome (2254522).

The spelling of 2002520 in words is "two million, two thousand, five hundred twenty".