2182520 has 16 divisors (see below), whose sum is σ = 4910760. Its totient is φ = 872992.

The previous prime is 2182513. The next prime is 2182529. The reversal of 2182520 is 252812.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2182492 and 2182501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27242 + ... + 27321.

2^2182520 is an apocalyptic number.

2182520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2182520 is an abundant number, since it is smaller than the sum of its proper divisors (2728240).

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

2182520 is a wasteful number, since it uses less digits than its factorization.

2182520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54574 (or 54570 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2182520 is about 1477.3354392283. The cubic root of 2182520 is about 129.7137686663.

The spelling of 2182520 in words is "two million, one hundred eighty-two thousand, five hundred twenty".