20326732927 has 4 divisors (see below), whose sum is σ = 20328014896. Its totient is φ = 20325450960.

The previous prime is 20326732903. The next prime is 20326732949. The reversal of 20326732927 is 72923762302.

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 20326732927 - 2⁷ = 20326732799 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 (20326742927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616899 + ... + 649012.

It is an arithmetic number, because the mean of its divisors is an integer number (5082003724).

Almost surely, 2^20326732927 is an apocalyptic number.

20326732927 is a deficient number, since it is larger than the sum of its proper divisors (1281969).

20326732927 is a wasteful number, since it uses less digits than its factorization.

20326732927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281968.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 20326732927 in words is "twenty billion, three hundred twenty-six million, seven hundred thirty-two thousand, nine hundred twenty-seven".