20522027 has 2 divisors, whose sum is σ = 20522028. Its totient is φ = 20522026.

The previous prime is 20522023. The next prime is 20522039. The reversal of 20522027 is 72022502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20522027 - 2² = 20522023 is a prime.

It is not a weakly prime, because it can be changed into another prime (20522023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261013 + 10261014.

It is an arithmetic number, because the mean of its divisors is an integer number (10261014).

Almost surely, 2^20522027 is an apocalyptic number.

20522027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20522027 is an equidigital number, since it uses as much as digits as its factorization.

20522027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 20522027 is about 4530.1243912281. The cubic root of 20522027 is about 273.7831724498.

Adding to 20522027 its reverse (72022502), we get a palindrome (92544529).

The spelling of 20522027 in words is "twenty million, five hundred twenty-two thousand, twenty-seven".