20326069 has 2 divisors, whose sum is σ = 20326070. Its totient is φ = 20326068.

The previous prime is 20326063. The next prime is 20326079. The reversal of 20326069 is 96062302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19448100 + 877969 = 4410^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 20326069 - 2⁷ = 20325941 is a prime.

It is a super-2 number, since 2×20326069² = 826298161985522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20326063) 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 as a sum of consecutive naturals, namely, 10163034 + 10163035.

It is an arithmetic number, because the mean of its divisors is an integer number (10163035).

Almost surely, 2^20326069 is an apocalyptic number.

It is an amenable number.

20326069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20326069 is an equidigital number, since it uses as much as digits as its factorization.

20326069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 20326069 is about 4508.4441884091. Note that the first 3 decimals coincide. The cubic root of 20326069 is about 272.9089625651.

The spelling of 20326069 in words is "twenty million, three hundred twenty-six thousand, sixty-nine".