20132230144 has 132 divisors (see below), whose sum is σ = 46048763404. Its totient is φ = 8743550976.

The previous prime is 20132230109. The next prime is 20132230169. The reversal of 20132230144 is 44103223102.

It can be written as a sum of positive squares in 6 ways, for example, as 2994278400 + 17137951744 = 54720^2 + 130912^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3844552 + ... + 3849784.

Almost surely, 2^20132230144 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 20132230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23024381702).

20132230144 is an abundant number, since it is smaller than the sum of its proper divisors (25916533260).

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

20132230144 is a wasteful number, since it uses less digits than its factorization.

20132230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300 (or 5265 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20132230144 its reverse (44103223102), we get a palindrome (64235453246).

The spelling of 20132230144 in words is "twenty billion, one hundred thirty-two million, two hundred thirty thousand, one hundred forty-four".