2724020 has 24 divisors (see below), whose sum is σ = 6161064. Its totient is φ = 1005696.

The previous prime is 2724013. The next prime is 2724031. The reversal of 2724020 is 204272.

It can be written as a sum of positive squares in 4 ways, for example, as 183184 + 2540836 = 428^2 + 1594^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2724020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4979 + ... + 5498.

It is an arithmetic number, because the mean of its divisors is an integer number (256711).

2^2724020 is an apocalyptic number.

2724020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2724020 is an abundant number, since it is smaller than the sum of its proper divisors (3437044).

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

2724020 is a wasteful number, since it uses less digits than its factorization.

2724020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10499 (or 10497 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 2724020 is about 1650.4605417883. The cubic root of 2724020 is about 139.6593760059.

Adding to 2724020 its reverse (204272), we get a palindrome (2928292).

The spelling of 2724020 in words is "two million, seven hundred twenty-four thousand, twenty".