24002020 has 48 divisors (see below), whose sum is σ = 57996288. Its totient is φ = 8173440.

The previous prime is 24001979. The next prime is 24002051. The reversal of 24002020 is 2020042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 24001988 and 24002006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23725 + ... + 24715.

It is an arithmetic number, because the mean of its divisors is an integer number (1208256).

Almost surely, 2^24002020 is an apocalyptic number.

24002020 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 24002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28998144).

24002020 is an abundant number, since it is smaller than the sum of its proper divisors (33994268).

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

24002020 is a wasteful number, since it uses less digits than its factorization.

24002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 24002020 is about 4899.1856466152. The cubic root of 24002020 is about 288.4580064570.

Adding to 24002020 its reverse (2020042), we get a palindrome (26022062).

The spelling of 24002020 in words is "twenty-four million, two thousand, twenty".