20527765983 has 32 divisors (see below), whose sum is σ = 30944313600. Its totient is φ = 13445676000.

The previous prime is 20527765961. The next prime is 20527766027. The reversal of 20527765983 is 38956772502.

20527765983 is a `hidden beast` number, since 20 + 5 + 27 + 7 + 6 + 598 + 3 = 666.

It is not a de Polignac number, because 20527765983 - 2¹⁸ = 20527503839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20527765483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5065308 + ... + 5069358.

It is an arithmetic number, because the mean of its divisors is an integer number (967009800).

Almost surely, 2^20527765983 is an apocalyptic number.

20527765983 is a deficient number, since it is larger than the sum of its proper divisors (10416547617).

20527765983 is a wasteful number, since it uses less digits than its factorization.

20527765983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300 (or 7294 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 20527765983 in words is "twenty billion, five hundred twenty-seven million, seven hundred sixty-five thousand, nine hundred eighty-three".