20676430311 has 8 divisors (see below), whose sum is σ = 27569908080. Its totient is φ = 13783619712.

The previous prime is 20676430277. The next prime is 20676430351. The reversal of 20676430311 is 11303467602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20676430311 - 2¹¹ = 20676428263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20676430351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89340 + ... + 222113.

It is an arithmetic number, because the mean of its divisors is an integer number (3446238510).

Almost surely, 2^20676430311 is an apocalyptic number.

20676430311 is a deficient number, since it is larger than the sum of its proper divisors (6893477769).

20676430311 is a wasteful number, since it uses less digits than its factorization.

20676430311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333585.

The product of its (nonzero) digits is 18144, while the sum is 33.

Adding to 20676430311 its reverse (11303467602), we get a palindrome (31979897913).

The spelling of 20676430311 in words is "twenty billion, six hundred seventy-six million, four hundred thirty thousand, three hundred eleven".