20493067711 has 2 divisors, whose sum is σ = 20493067712. Its totient is φ = 20493067710.

The previous prime is 20493067687. The next prime is 20493067717. The reversal of 20493067711 is 11776039402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20493067711 - 2¹³ = 20493059519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20493067717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10246533855 + 10246533856.

It is an arithmetic number, because the mean of its divisors is an integer number (10246533856).

Almost surely, 2^20493067711 is an apocalyptic number.

20493067711 is a deficient number, since it is larger than the sum of its proper divisors (1).

20493067711 is an equidigital number, since it uses as much as digits as its factorization.

20493067711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 20493067711 in words is "twenty billion, four hundred ninety-three million, sixty-seven thousand, seven hundred eleven".