20144513427324 has 144 divisors (see below), whose sum is σ = 55673331878304. Its totient is φ = 5631419566080.

The previous prime is 20144513427319. The next prime is 20144513427331. The reversal of 20144513427324 is 42372431544102.

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 47 ways as a sum of consecutive naturals, for example, 30955504 + ... + 31599560.

It is an arithmetic number, because the mean of its divisors is an integer number (386620360266).

Almost surely, 2^{20144513427324} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20144513427324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27836665939152).

20144513427324 is an abundant number, since it is smaller than the sum of its proper divisors (35528818450980).

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

20144513427324 is a wasteful number, since it uses less digits than its factorization.

20144513427324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645756 (or 645743 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 20144513427324 in words is "twenty trillion, one hundred forty-four billion, five hundred thirteen million, four hundred twenty-seven thousand, three hundred twenty-four".