20432340211331 has 8 divisors (see below), whose sum is σ = 20536351645824. Its totient is φ = 20328439371840.

The previous prime is 20432340211321. The next prime is 20432340211357. The reversal of 20432340211331 is 13311204323402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20432340211331 - 2⁶ = 20432340211267 is a prime.

It is a super-2 number, since 2×20432340211331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20432340211294 and 20432340211303.

It is not an unprimeable number, because it can be changed into a prime (20432340211321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27278300 + ... + 28017321.

It is an arithmetic number, because the mean of its divisors is an integer number (2567043955728).

Almost surely, 2^{20432340211331} is an apocalyptic number.

20432340211331 is a deficient number, since it is larger than the sum of its proper divisors (104011434493).

20432340211331 is a wasteful number, since it uses less digits than its factorization.

20432340211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55297501.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 20432340211331 its reverse (13311204323402), we get a palindrome (33743544534733).

The spelling of 20432340211331 in words is "twenty trillion, four hundred thirty-two billion, three hundred forty million, two hundred eleven thousand, three hundred thirty-one".