24252020 has 48 divisors (see below), whose sum is σ = 56351568. Its totient is φ = 8709120.

The previous prime is 24252017. The next prime is 24252073. The reversal of 24252020 is 2025242.

It can be written as a sum of positive squares in 8 ways, for example, as 3984016 + 20268004 = 1996^2 + 4502^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 24252020.

It is a congruent number.

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, 8360 + ... + 10880.

It is an arithmetic number, because the mean of its divisors is an integer number (1173991).

Almost surely, 2^24252020 is an apocalyptic number.

24252020 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 24252020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28175784).

24252020 is an abundant number, since it is smaller than the sum of its proper divisors (32099548).

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

24252020 is a wasteful number, since it uses less digits than its factorization.

24252020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580 (or 2578 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 24252020 is about 4924.6339965524. The cubic root of 24252020 is about 289.4560552872.

Adding to 24252020 its reverse (2025242), we get a palindrome (26277262).

The spelling of 24252020 in words is "twenty-four million, two hundred fifty-two thousand, twenty".