20527187163 has 12 divisors (see below), whose sum is σ = 31838086440. Its totient is φ = 11729821152.

The previous prime is 20527187143. The next prime is 20527187167. The reversal of 20527187163 is 36178172502.

It is not a de Polignac number, because 20527187163 - 2¹² = 20527183067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20527187167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69820218 + ... + 69820511.

It is an arithmetic number, because the mean of its divisors is an integer number (2653173870).

Almost surely, 2^20527187163 is an apocalyptic number.

20527187163 is a deficient number, since it is larger than the sum of its proper divisors (11310899277).

20527187163 is a wasteful number, since it uses less digits than its factorization.

20527187163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139640746 (or 139640739 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

It can be divided in two parts, 20527 and 187163, that added together give a triangular number (207690 = T₆₄₄).

The spelling of 20527187163 in words is "twenty billion, five hundred twenty-seven million, one hundred eighty-seven thousand, one hundred sixty-three".