20527959 has 12 divisors (see below), whose sum is σ = 29076584. Its totient is φ = 12879744.

The previous prime is 20527957. The next prime is 20527967. The reversal of 20527959 is 95972502.

It is not a de Polignac number, because 20527959 - 2¹ = 20527957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20527957) 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, 10972 + ... + 12705.

Almost surely, 2^20527959 is an apocalyptic number.

20527959 is a deficient number, since it is larger than the sum of its proper divisors (8548625).

20527959 is a wasteful number, since it uses less digits than its factorization.

20527959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23714 (or 23697 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 20527959 is about 4530.7790720802. The cubic root of 20527959 is about 273.8095493979.

It can be divided in two parts, 2052 and 7959, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 20527959 in words is "twenty million, five hundred twenty-seven thousand, nine hundred fifty-nine".