24072020 has 48 divisors (see below), whose sum is σ = 58235520. Its totient is φ = 8187264.

The previous prime is 24071989. The next prime is 24072023. The reversal of 24072020 is 2027042.

It is a self number, because there is not a number n which added to its sum of digits gives 24072020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24072023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18842 + ... + 20078.

It is an arithmetic number, because the mean of its divisors is an integer number (1213240).

Almost surely, 2^24072020 is an apocalyptic number.

24072020 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 24072020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29117760).

24072020 is an abundant number, since it is smaller than the sum of its proper divisors (34163500).

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

24072020 is a wasteful number, since it uses less digits than its factorization.

24072020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392 (or 1390 counting only the distinct ones).

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

The square root of 24072020 is about 4906.3244898804. The cubic root of 24072020 is about 288.7381559705.

Adding to 24072020 its reverse (2027042), we get a palindrome (26099062).

The spelling of 24072020 in words is "twenty-four million, seventy-two thousand, twenty".