20041005527 has 2 divisors, whose sum is σ = 20041005528. Its totient is φ = 20041005526.

The previous prime is 20041005461. The next prime is 20041005529. The reversal of 20041005527 is 72550014002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20041005527 is a prime.

Together with 20041005529, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20041005496 and 20041005505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20041005529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10020502763 + 10020502764.

It is an arithmetic number, because the mean of its divisors is an integer number (10020502764).

Almost surely, 2^20041005527 is an apocalyptic number.

20041005527 is a deficient number, since it is larger than the sum of its proper divisors (1).

20041005527 is an equidigital number, since it uses as much as digits as its factorization.

20041005527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

Adding to 20041005527 its reverse (72550014002), we get a palindrome (92591019529).

The spelling of 20041005527 in words is "twenty billion, forty-one million, five thousand, five hundred twenty-seven".