24020 has 12 divisors (see below), whose sum is σ = 50484. Its totient is φ = 9600.

The previous prime is 24019. The next prime is 24023. The reversal of 24020 is 2042.

It can be written as a sum of positive squares in 2 ways, for example, as 2704 + 21316 = 52^2 + 146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23989 and 24007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581 + ... + 620.

It is an arithmetic number, because the mean of its divisors is an integer number (4207).

2²⁴⁰²⁰ is an apocalyptic number.

24020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24020 is an abundant number, since it is smaller than the sum of its proper divisors (26464).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25242).

24020 is a wasteful number, since it uses less digits than its factorization.

24020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 24020 is about 154.9838701285. The cubic root of 24020 is about 28.8530016791.

Adding to 24020 its reverse (2042), we get a palindrome (26062).

The spelling of 24020 in words is "twenty-four thousand, twenty", and thus it is an iban number.