20337089 has 2 divisors, whose sum is σ = 20337090. Its totient is φ = 20337088.

The previous prime is 20337077. The next prime is 20337101. The reversal of 20337089 is 98073302.

It is a balanced prime because it is at equal distance from previous prime (20337077) and next prime (20337101).

It can be written as a sum of positive squares in only one way, i.e., 10942864 + 9394225 = 3308^2 + 3065^2 .

It is a cyclic number.

It is not a de Polignac number, because 20337089 - 2⁴ = 20337073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20337029) 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, 10168544 + 10168545.

It is an arithmetic number, because the mean of its divisors is an integer number (10168545).

Almost surely, 2^20337089 is an apocalyptic number.

It is an amenable number.

20337089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20337089 is an equidigital number, since it uses as much as digits as its factorization.

20337089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 20337089 is about 4509.6661738980. Note that the first 3 decimals coincide. The cubic root of 20337089 is about 272.9582738448.

The spelling of 20337089 in words is "twenty million, three hundred thirty-seven thousand, eighty-nine".