24242020420 has 12 divisors (see below), whose sum is σ = 50908242924. Its totient is φ = 9696808160.

The previous prime is 24242020393. The next prime is 24242020423. The reversal of 24242020420 is 2402024242.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16145260096 + 8096760324 = 127064^2 + 89982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24242020391 and 24242020400.

It is not an unprimeable number, because it can be changed into a prime (24242020423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606050491 + ... + 606050530.

It is an arithmetic number, because the mean of its divisors is an integer number (4242353577).

Almost surely, 2^24242020420 is an apocalyptic number.

24242020420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24242020420 is an abundant number, since it is smaller than the sum of its proper divisors (26666222504).

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

24242020420 is a wasteful number, since it uses less digits than its factorization.

24242020420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212101030 (or 1212101028 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 24242020420 its reverse (2402024242), we get a palindrome (26644044662).

The spelling of 24242020420 in words is "twenty-four billion, two hundred forty-two million, twenty thousand, four hundred twenty".