24002240020 has 72 divisors (see below), whose sum is σ = 55460399904. Its totient is φ = 8719128000.

The previous prime is 24002240011. The next prime is 24002240023. The reversal of 24002240020 is 2004220042.

It is a super-2 number, since 2×24002240020² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24002239976 and 24002240003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24002240023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2635675 + ... + 2644765.

It is an arithmetic number, because the mean of its divisors is an integer number (770283332).

Almost surely, 2^24002240020 is an apocalyptic number.

24002240020 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 24002240020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27730199952).

24002240020 is an abundant number, since it is smaller than the sum of its proper divisors (31458159884).

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

24002240020 is a wasteful number, since it uses less digits than its factorization.

24002240020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10213 (or 10200 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 24002240020 its reverse (2004220042), we get a palindrome (26006460062).

The spelling of 24002240020 in words is "twenty-four billion, two million, two hundred forty thousand, twenty".