2052240 has 80 divisors (see below), whose sum is σ = 6749568. Its totient is φ = 514048.

The previous prime is 2052217. The next prime is 2052311. The reversal of 2052240 is 422502.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3829 + ... + 4331.

2^2052240 is an apocalyptic number.

2052240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2052240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3374784).

2052240 is an abundant number, since it is smaller than the sum of its proper divisors (4697328).

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

2052240 is a wasteful number, since it uses less digits than its factorization.

2052240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2052240 is about 1432.5641346900. The cubic root of 2052240 is about 127.0796615141.

Adding to 2052240 its reverse (422502), we get a palindrome (2474742).

The spelling of 2052240 in words is "two million, fifty-two thousand, two hundred forty".