20328547711 has 2 divisors, whose sum is σ = 20328547712. Its totient is φ = 20328547710.

The previous prime is 20328547709. The next prime is 20328547721. The reversal of 20328547711 is 11774582302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20328547711 - 2¹ = 20328547709 is a prime.

Together with 20328547709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20328547721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10164273855 + 10164273856.

It is an arithmetic number, because the mean of its divisors is an integer number (10164273856).

Almost surely, 2^20328547711 is an apocalyptic number.

20328547711 is a deficient number, since it is larger than the sum of its proper divisors (1).

20328547711 is an equidigital number, since it uses as much as digits as its factorization.

20328547711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 20328547711 in words is "twenty billion, three hundred twenty-eight million, five hundred forty-seven thousand, seven hundred eleven".