20441131230 has 128 divisors (see below), whose sum is σ = 54902808576. Its totient is φ = 4836672000.

The previous prime is 20441131223. The next prime is 20441131231. The reversal of 20441131230 is 3213114402.

It is a junction number, because it is equal to n+sod(n) for n = 20441131197 and 20441131206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441131231) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1819992 + ... + 1831188.

It is an arithmetic number, because the mean of its divisors is an integer number (428928192).

Almost surely, 2^20441131230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20441131230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27451404288).

20441131230 is an abundant number, since it is smaller than the sum of its proper divisors (34461677346).

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

20441131230 is a wasteful number, since it uses less digits than its factorization.

20441131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11402.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20441131230 its reverse (3213114402), we get a palindrome (23654245632).

It can be divided in two parts, 204411 and 31230, that added together give a triangular number (235641 = T₆₈₆).

The spelling of 20441131230 in words is "twenty billion, four hundred forty-one million, one hundred thirty-one thousand, two hundred thirty".