20163671245036 has 18 divisors (see below), whose sum is σ = 38785904813180. Its totient is φ = 9165305111160.

The previous prime is 20163671245033. The next prime is 20163671245049. The reversal of 20163671245036 is 63054217636102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20163671245031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20830238406 + ... + 20830239373.

Almost surely, 2^{20163671245036} is an apocalyptic number.

It is an amenable number.

20163671245036 is a deficient number, since it is larger than the sum of its proper divisors (18622233568144).

20163671245036 is a wasteful number, since it uses less digits than its factorization.

20163671245036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41660477805 (or 41660477792 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 20163671245036 in words is "twenty trillion, one hundred sixty-three billion, six hundred seventy-one million, two hundred forty-five thousand, thirty-six".