20432014043121 has 12 divisors (see below), whose sum is σ = 29513250730548. Its totient is φ = 13621185053664.

The previous prime is 20432014043113. The next prime is 20432014043149. The reversal of 20432014043121 is 12134041023402.

20432014043121 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 201 + 4 + 0 + 431 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6226841492496 + 14205172550625 = 2495364^2 + 3768975^2 .

It is not a de Polignac number, because 20432014043121 - 2³ = 20432014043113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20432014043101) 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 11 ways as a sum of consecutive naturals, for example, 12313230 + ... + 13873703.

It is an arithmetic number, because the mean of its divisors is an integer number (2459437560879).

Almost surely, 2^{20432014043121} is an apocalyptic number.

It is an amenable number.

20432014043121 is a deficient number, since it is larger than the sum of its proper divisors (9081236687427).

20432014043121 is a wasteful number, since it uses less digits than its factorization.

20432014043121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26273632 (or 26273629 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 20432014043121 its reverse (12134041023402), we get a palindrome (32566055066523).

The spelling of 20432014043121 in words is "twenty trillion, four hundred thirty-two billion, fourteen million, forty-three thousand, one hundred twenty-one".