20590339 has 12 divisors (see below), whose sum is σ = 26130168. Its totient is φ = 16044000.

The previous prime is 20590337. The next prime is 20590369. The reversal of 20590339 is 93309502.

It is not a de Polignac number, because 20590339 - 2¹ = 20590337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20590339.

It is not an unprimeable number, because it can be changed into a prime (20590333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18562 + ... + 19639.

It is an arithmetic number, because the mean of its divisors is an integer number (2177514).

Almost surely, 2^20590339 is an apocalyptic number.

20590339 is a deficient number, since it is larger than the sum of its proper divisors (5539829).

20590339 is a wasteful number, since it uses less digits than its factorization.

20590339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38226 (or 38219 counting only the distinct ones).

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

The square root of 20590339 is about 4537.6578760413. The cubic root of 20590339 is about 274.0866181475.

The spelling of 20590339 in words is "twenty million, five hundred ninety thousand, three hundred thirty-nine".