20364527 has 2 divisors, whose sum is σ = 20364528. Its totient is φ = 20364526.

The previous prime is 20364517. The next prime is 20364557. The reversal of 20364527 is 72546302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20364527 - 2⁴ = 20364511 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 20364527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20364517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10182263 + 10182264.

It is an arithmetic number, because the mean of its divisors is an integer number (10182264).

Almost surely, 2^20364527 is an apocalyptic number.

20364527 is a deficient number, since it is larger than the sum of its proper divisors (1).

20364527 is an equidigital number, since it uses as much as digits as its factorization.

20364527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 20364527 is about 4512.7072805579. The cubic root of 20364527 is about 273.0809735339.

The spelling of 20364527 in words is "twenty million, three hundred sixty-four thousand, five hundred twenty-seven".