20144489365014 has 128 divisors (see below), whose sum is σ = 47546290176000. Its totient is φ = 5571329662080.

The previous prime is 20144489365009. The next prime is 20144489365061. The reversal of 20144489365014 is 41056398444102.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61974087 + ... + 62298285.

It is an arithmetic number, because the mean of its divisors is an integer number (371455392000).

Almost surely, 2^{20144489365014} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20144489365014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23773145088000).

20144489365014 is an abundant number, since it is smaller than the sum of its proper divisors (27401800810986).

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

20144489365014 is a wasteful number, since it uses less digits than its factorization.

20144489365014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324658.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 20144489365014 in words is "twenty trillion, one hundred forty-four billion, four hundred eighty-nine million, three hundred sixty-five thousand, fourteen".