20173831023236 has 24 divisors (see below), whose sum is σ = 39056123574720. Its totient is φ = 9040769343200.

The previous prime is 20173831023233. The next prime is 20173831023263. The reversal of 20173831023236 is 63232013837102.

It is a junction number, because it is equal to n+sod(n) for n = 20173831023193 and 20173831023202.

It is not an unprimeable number, because it can be changed into a prime (20173831023233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3228843071 + ... + 3228849318.

It is an arithmetic number, because the mean of its divisors is an integer number (1627338482280).

Almost surely, 2^{20173831023236} is an apocalyptic number.

It is an amenable number.

20173831023236 is a deficient number, since it is larger than the sum of its proper divisors (18882292551484).

20173831023236 is a wasteful number, since it uses less digits than its factorization.

20173831023236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457692475 (or 6457692473 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 20173831023236 in words is "twenty trillion, one hundred seventy-three billion, eight hundred thirty-one million, twenty-three thousand, two hundred thirty-six".