2440020 has 48 divisors (see below), whose sum is σ = 7455168. Its totient is φ = 591360.

The previous prime is 2440019. The next prime is 2440021. The reversal of 2440020 is 200442.

2440020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2440019) and next prime (2440021).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2439978 and 2440005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440021) 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 15 ways as a sum of consecutive naturals, for example, 1189 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (155316).

2^2440020 is an apocalyptic number.

2440020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440020 is an abundant number, since it is smaller than the sum of its proper divisors (5015148).

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

2440020 is a wasteful number, since it uses less digits than its factorization.

2440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720 (or 3718 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2440020 is about 1562.0563370122. The cubic root of 2440020 is about 134.6266777757.

Adding to 2440020 its reverse (200442), we get a palindrome (2640462).

The spelling of 2440020 in words is "two million, four hundred forty thousand, twenty".