20000527 has 4 divisors (see below), whose sum is σ = 20206816. Its totient is φ = 19794240.

The previous prime is 20000507. The next prime is 20000531. The reversal of 20000527 is 72500002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20000527 - 2¹¹ = 19998479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20000527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102999 + ... + 103192.

It is an arithmetic number, because the mean of its divisors is an integer number (5051704).

Almost surely, 2^20000527 is an apocalyptic number.

20000527 is a deficient number, since it is larger than the sum of its proper divisors (206289).

20000527 is an equidigital number, since it uses as much as digits as its factorization.

20000527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206288.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 20000527 is about 4472.1948750027. The cubic root of 20000527 is about 271.4441458020. Note that the first 3 decimals are identical.

Adding to 20000527 its reverse (72500002), we get a palindrome (92500529).

The spelling of 20000527 in words is "twenty million, five hundred twenty-seven", and thus it is an aban number.