20038339 has 2 divisors, whose sum is σ = 20038340. Its totient is φ = 20038338.

The previous prime is 20038327. The next prime is 20038367. The reversal of 20038339 is 93383002.

It is a happy number.

It is an a-pointer prime, because the next prime (20038367) can be obtained adding 20038339 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20038339 - 2¹⁷ = 19907267 is a prime.

It is not a weakly prime, because it can be changed into another prime (20039339) 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, 10019169 + 10019170.

It is an arithmetic number, because the mean of its divisors is an integer number (10019170).

Almost surely, 2^20038339 is an apocalyptic number.

20038339 is a deficient number, since it is larger than the sum of its proper divisors (1).

20038339 is an equidigital number, since it uses as much as digits as its factorization.

20038339 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 20038339 is about 4476.4203332574. The cubic root of 20038339 is about 271.6150977095.

The spelling of 20038339 in words is "twenty million, thirty-eight thousand, three hundred thirty-nine".