20593039 has 2 divisors, whose sum is σ = 20593040. Its totient is φ = 20593038.

The previous prime is 20593033. The next prime is 20593049. The reversal of 20593039 is 93039502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20593039 - 2⁹ = 20592527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20593039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20593033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10296519 + 10296520.

It is an arithmetic number, because the mean of its divisors is an integer number (10296520).

Almost surely, 2^20593039 is an apocalyptic number.

20593039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20593039 is an equidigital number, since it uses as much as digits as its factorization.

20593039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 20593039 is about 4537.9553765986. The cubic root of 20593039 is about 274.0985979005.

The spelling of 20593039 in words is "twenty million, five hundred ninety-three thousand, thirty-nine".