20316316811 has 16 divisors (see below), whose sum is σ = 23334432000. Its totient is φ = 17327239200.

The previous prime is 20316316799. The next prime is 20316316817. The reversal of 20316316811 is 11861361302.

It is a cyclic number.

It is not a de Polignac number, because 20316316811 - 2²² = 20312122507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20316316817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4365836 + ... + 4370486.

It is an arithmetic number, because the mean of its divisors is an integer number (1458402000).

Almost surely, 2^20316316811 is an apocalyptic number.

20316316811 is a deficient number, since it is larger than the sum of its proper divisors (3018115189).

20316316811 is a wasteful number, since it uses less digits than its factorization.

20316316811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7634.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 20316316811 in words is "twenty billion, three hundred sixteen million, three hundred sixteen thousand, eight hundred eleven".