2420140 has 12 divisors (see below), whose sum is σ = 5082336. Its totient is φ = 968048.

The previous prime is 2420123. The next prime is 2420167. The reversal of 2420140 is 410242.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2420140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60484 + ... + 60523.

It is an arithmetic number, because the mean of its divisors is an integer number (423528).

2^2420140 is an apocalyptic number.

2420140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420140 is an abundant number, since it is smaller than the sum of its proper divisors (2662196).

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

2420140 is a wasteful number, since it uses less digits than its factorization.

2420140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121016 (or 121014 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2420140 is about 1555.6799156639. The cubic root of 2420140 is about 134.2600578288.

Adding to 2420140 its reverse (410242), we get a palindrome (2830382).

It can be divided in two parts, 24 and 20140, that added together give a square (20164 = 142²).

The spelling of 2420140 in words is "two million, four hundred twenty thousand, one hundred forty".