20144150144 has 64 divisors (see below), whose sum is σ = 41141855040. Its totient is φ = 9819242496.

The previous prime is 20144150141. The next prime is 20144150149. The reversal of 20144150144 is 44105144102.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (20144150141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3172637 + ... + 3178979.

It is an arithmetic number, because the mean of its divisors is an integer number (642841485).

Almost surely, 2^20144150144 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 20144150144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20570927520).

20144150144 is an abundant number, since it is smaller than the sum of its proper divisors (20997704896).

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

20144150144 is an equidigital number, since it uses as much as digits as its factorization.

20144150144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6977 (or 6965 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 20144150144 its reverse (44105144102), we get a palindrome (64249294246).

The spelling of 20144150144 in words is "twenty billion, one hundred forty-four million, one hundred fifty thousand, one hundred forty-four".