20241244140 has 192 divisors, whose sum is σ = 65295828864. Its totient is φ = 4640735232.

The previous prime is 20241244117. The next prime is 20241244147. The reversal of 20241244140 is 4144214202.

It is a self number, because there is not a number n which added to its sum of digits gives 20241244140.

It is not an unprimeable number, because it can be changed into a prime (20241244147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1278352 + ... + 1294088.

It is an arithmetic number, because the mean of its divisors is an integer number (340082442).

Almost surely, 2^20241244140 is an apocalyptic number.

20241244140 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 20241244140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32647914432).

20241244140 is an abundant number, since it is smaller than the sum of its proper divisors (45054584724).

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

20241244140 is a wasteful number, since it uses less digits than its factorization.

20241244140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15876 (or 15874 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20241244140 its reverse (4144214202), we get a palindrome (24385458342).

The spelling of 20241244140 in words is "twenty billion, two hundred forty-one million, two hundred forty-four thousand, one hundred forty".