20596039 has 4 divisors (see below), whose sum is σ = 20615056. Its totient is φ = 20577024.

The previous prime is 20596033. The next prime is 20596049. The reversal of 20596039 is 93069502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20596039 - 2⁵ = 20596007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20595995 and 20596013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20596033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7779 + ... + 10084.

It is an arithmetic number, because the mean of its divisors is an integer number (5153764).

Almost surely, 2^20596039 is an apocalyptic number.

20596039 is a deficient number, since it is larger than the sum of its proper divisors (19017).

20596039 is a wasteful number, since it uses less digits than its factorization.

20596039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19016.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 20596039 is about 4538.2859099003. The cubic root of 20596039 is about 274.1119075091. Note that the first 3 decimals are identical.

The spelling of 20596039 in words is "twenty million, five hundred ninety-six thousand, thirty-nine".