20144503425750 has 512 divisors, whose sum is σ = 58902117580800. Its totient is φ = 4531228416000.

The previous prime is 20144503425731. The next prime is 20144503425751. The reversal of 20144503425750 is 5752430544102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144503425751) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 12442558441 + ... + 12442560059.

It is an arithmetic number, because the mean of its divisors is an integer number (115043198400).

Almost surely, 2^{20144503425750} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20144503425750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29451058790400).

20144503425750 is an abundant number, since it is smaller than the sum of its proper divisors (38757614155050).

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

20144503425750 is a wasteful number, since it uses less digits than its factorization.

20144503425750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2859 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 42.

Adding to 20144503425750 its reverse (5752430544102), we get a palindrome (25896933969852).

The spelling of 20144503425750 in words is "twenty trillion, one hundred forty-four billion, five hundred three million, four hundred twenty-five thousand, seven hundred fifty".