20527677 has 12 divisors (see below), whose sum is σ = 29702140. Its totient is φ = 13661568.

The previous prime is 20527667. The next prime is 20527691. The reversal of 20527677 is 77672502.

It can be written as a sum of positive squares in 2 ways, for example, as 10830681 + 9696996 = 3291^2 + 3114^2 .

It is not a de Polignac number, because 20527677 - 2⁶ = 20527613 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 (20527607) 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, 4773 + ... + 7989.

Almost surely, 2^20527677 is an apocalyptic number.

It is an amenable number.

20527677 is a deficient number, since it is larger than the sum of its proper divisors (9174463).

20527677 is a wasteful number, since it uses less digits than its factorization.

20527677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932 (or 3929 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 20527677 is about 4530.7479514976. The cubic root of 20527677 is about 273.8082955852.

The spelling of 20527677 in words is "twenty million, five hundred twenty-seven thousand, six hundred seventy-seven".