20316536311 has 4 divisors (see below), whose sum is σ = 20316965824. Its totient is φ = 20316106800.

The previous prime is 20316536281. The next prime is 20316536333. The reversal of 20316536311 is 11363561302.

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 20316536311 - 2⁷ = 20316536183 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 (20316536381) 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, 133575 + ... + 241816.

It is an arithmetic number, because the mean of its divisors is an integer number (5079241456).

Almost surely, 2^20316536311 is an apocalyptic number.

20316536311 is a deficient number, since it is larger than the sum of its proper divisors (429513).

20316536311 is an equidigital number, since it uses as much as digits as its factorization.

20316536311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429512.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 20316536311 in words is "twenty billion, three hundred sixteen million, five hundred thirty-six thousand, three hundred eleven".