2420280 has 112 divisors (see below), whose sum is σ = 8263080. Its totient is φ = 637632.

The previous prime is 2420279. The next prime is 2420287. The reversal of 2420280 is 820242.

2420280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is a zygodrome in base 3 and base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420287) 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 27 ways as a sum of consecutive naturals, for example, 29119 + ... + 29201.

2^2420280 is an apocalyptic number.

2420280 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 2420280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4131540).

2420280 is an abundant number, since it is smaller than the sum of its proper divisors (5842800).

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

2420280 is an equidigital number, since it uses as much as digits as its factorization.

2420280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2420280 is about 1555.7249114159. The cubic root of 2420280 is about 134.2626466660.

The spelling of 2420280 in words is "two million, four hundred twenty thousand, two hundred eighty".