20441543150530 has 16 divisors (see below), whose sum is σ = 36955453560120. Its totient is φ = 8140911507072.

The previous prime is 20441543150443. The next prime is 20441543150531. The reversal of 20441543150530 is 3505134514402.

It can be written as a sum of positive squares in 4 ways, for example, as 15005636911521 + 5435906239009 = 3873711^2 + 2331503^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20441543150530.

It is not an unprimeable number, because it can be changed into a prime (20441543150531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4463216739 + ... + 4463221318.

Almost surely, 2^{20441543150530} is an apocalyptic number.

20441543150530 is a deficient number, since it is larger than the sum of its proper divisors (16513910409590).

20441543150530 is a wasteful number, since it uses less digits than its factorization.

20441543150530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8926438293.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 20441543150530 its reverse (3505134514402), we get a palindrome (23946677664932).

The spelling of 20441543150530 in words is "twenty trillion, four hundred forty-one billion, five hundred forty-three million, one hundred fifty thousand, five hundred thirty".