20411332271 has 8 divisors (see below), whose sum is σ = 22267941888. Its totient is φ = 18554895000.

The previous prime is 20411332259. The next prime is 20411332289. The reversal of 20411332271 is 17223311402.

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 20411332271 - 2¹⁴ = 20411315887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20411332271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411332471) 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 7 ways as a sum of consecutive naturals, for example, 445106 + ... + 488816.

It is an arithmetic number, because the mean of its divisors is an integer number (2783492736).

Almost surely, 2^20411332271 is an apocalyptic number.

20411332271 is a deficient number, since it is larger than the sum of its proper divisors (1856609617).

20411332271 is a wasteful number, since it uses less digits than its factorization.

20411332271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86173.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 20411332271 its reverse (17223311402), we get a palindrome (37634643673).

The spelling of 20411332271 in words is "twenty billion, four hundred eleven million, three hundred thirty-two thousand, two hundred seventy-one".