20983232327 has 4 divisors (see below), whose sum is σ = 21895546800. Its totient is φ = 20070917856.

The previous prime is 20983232317. The next prime is 20983232357. The reversal of 20983232327 is 72323238902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20983232327 - 2¹⁰ = 20983231303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20983232317) 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 3 ways as a sum of consecutive naturals, for example, 456157202 + ... + 456157247.

It is an arithmetic number, because the mean of its divisors is an integer number (5473886700).

Almost surely, 2^20983232327 is an apocalyptic number.

20983232327 is a deficient number, since it is larger than the sum of its proper divisors (912314473).

20983232327 is an equidigital number, since it uses as much as digits as its factorization.

20983232327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912314472.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 20983232327 in words is "twenty billion, nine hundred eighty-three million, two hundred thirty-two thousand, three hundred twenty-seven".