20441405432331 has 24 divisors (see below), whose sum is σ = 31802755982816. Its totient is φ = 12577342780800.

The previous prime is 20441405432303. The next prime is 20441405432419. The reversal of 20441405432331 is 13323450414402.

20441405432331 is a `hidden beast` number, since 2 + 0 + 4 + 41 + 40 + 543 + 2 + 3 + 31 = 666.

It is not a de Polignac number, because 20441405432331 - 2²¹ = 20441403335179 is a prime.

It is a super-2 number, since 2×20441405432331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20441405432131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13029970 + ... + 14514231.

Almost surely, 2^{20441405432331} is an apocalyptic number.

20441405432331 is a deficient number, since it is larger than the sum of its proper divisors (11361350550485).

20441405432331 is a wasteful number, since it uses less digits than its factorization.

20441405432331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27550563 (or 27550560 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 20441405432331 its reverse (13323450414402), we get a palindrome (33764855846733).

The spelling of 20441405432331 in words is "twenty trillion, four hundred forty-one billion, four hundred five million, four hundred thirty-two thousand, three hundred thirty-one".