20324077 has 2 divisors, whose sum is σ = 20324078. Its totient is φ = 20324076.

The previous prime is 20324039. The next prime is 20324081. The reversal of 20324077 is 77042302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18610596 + 1713481 = 4314^2 + 1309^2 .

It is a cyclic number.

It is not a de Polignac number, because 20324077 - 2⁷ = 20323949 is a prime.

It is a super-3 number, since 3×20324077³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20324677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162038 + 10162039.

It is an arithmetic number, because the mean of its divisors is an integer number (10162039).

Almost surely, 2^20324077 is an apocalyptic number.

It is an amenable number.

20324077 is a deficient number, since it is larger than the sum of its proper divisors (1).

20324077 is an equidigital number, since it uses as much as digits as its factorization.

20324077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 20324077 is about 4508.2232642140. The cubic root of 20324077 is about 272.9000470452.

Adding to 20324077 its reverse (77042302), we get a palindrome (97366379).

The spelling of 20324077 in words is "twenty million, three hundred twenty-four thousand, seventy-seven".