20598039 has 24 divisors (see below), whose sum is σ = 37095552. Its totient is φ = 10699920.

The previous prime is 20598007. The next prime is 20598049. The reversal of 20598039 is 93089502.

It is not a de Polignac number, because 20598039 - 2⁵ = 20598007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20597994 and 20598012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20598049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14169 + ... + 15554.

It is an arithmetic number, because the mean of its divisors is an integer number (1545648).

Almost surely, 2^20598039 is an apocalyptic number.

20598039 is a deficient number, since it is larger than the sum of its proper divisors (16497513).

20598039 is a wasteful number, since it uses less digits than its factorization.

20598039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29747 (or 29744 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 20598039 is about 4538.5062520614. The cubic root of 20598039 is about 274.1207798635.

The spelling of 20598039 in words is "twenty million, five hundred ninety-eight thousand, thirty-nine".