20316111232205 has 16 divisors (see below), whose sum is σ = 24399542294400. Its totient is φ = 16239419103168.

The previous prime is 20316111232181. The next prime is 20316111232273. The reversal of 20316111232205 is 50223211161302.

It is a cyclic number.

It is not a de Polignac number, because 20316111232205 - 2¹⁰ = 20316111231181 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62884814 + ... + 63207056.

It is an arithmetic number, because the mean of its divisors is an integer number (1524971393400).

Almost surely, 2^{20316111232205} is an apocalyptic number.

It is an amenable number.

20316111232205 is a deficient number, since it is larger than the sum of its proper divisors (4083431062195).

20316111232205 is a wasteful number, since it uses less digits than its factorization.

20316111232205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332660.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 20316111232205 its reverse (50223211161302), we get a palindrome (70539322393507).

The spelling of 20316111232205 in words is "twenty trillion, three hundred sixteen billion, one hundred eleven million, two hundred thirty-two thousand, two hundred five".