20527544063 has 16 divisors (see below), whose sum is σ = 22881640320. Its totient is φ = 18284899584.

The previous prime is 20527544057. The next prime is 20527544101. The reversal of 20527544063 is 36044572502.

It is a cyclic number.

It is not a de Polignac number, because 20527544063 - 2¹⁶ = 20527478527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20527544263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706970 + ... + 735432.

It is an arithmetic number, because the mean of its divisors is an integer number (1430102520).

Almost surely, 2^20527544063 is an apocalyptic number.

20527544063 is a deficient number, since it is larger than the sum of its proper divisors (2354096257).

20527544063 is a wasteful number, since it uses less digits than its factorization.

20527544063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30418.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 20527544063 in words is "twenty billion, five hundred twenty-seven million, five hundred forty-four thousand, sixty-three".