24442400020 has 24 divisors (see below), whose sum is σ = 53099008200. Its totient is φ = 9439823232.

The previous prime is 24442400011. The next prime is 24442400039. The reversal of 24442400020 is 2000424442.

It can be written as a sum of positive squares in 4 ways, for example, as 2491607056 + 21950792964 = 49916^2 + 148158^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24442399964 and 24442400000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21070455 + ... + 21071614.

It is an arithmetic number, because the mean of its divisors is an integer number (2212458675).

Almost surely, 2^24442400020 is an apocalyptic number.

24442400020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24442400020 is an abundant number, since it is smaller than the sum of its proper divisors (28656608180).

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

24442400020 is a wasteful number, since it uses less digits than its factorization.

24442400020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42142107 (or 42142105 counting only the distinct ones).

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

Adding to 24442400020 its reverse (2000424442), we get a palindrome (26442824462).

The spelling of 24442400020 in words is "twenty-four billion, four hundred forty-two million, four hundred thousand, twenty".