20598159 has 8 divisors (see below), whose sum is σ = 28206640. Its totient is φ = 13360896.

The previous prime is 20598157. The next prime is 20598187. The reversal of 20598159 is 95189502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20598159 - 2¹ = 20598157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20598157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92674 + ... + 92895.

It is an arithmetic number, because the mean of its divisors is an integer number (3525830).

Almost surely, 2^20598159 is an apocalyptic number.

20598159 is a deficient number, since it is larger than the sum of its proper divisors (7608481).

20598159 is a wasteful number, since it uses less digits than its factorization.

20598159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185609.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 20598159 is about 4538.5194722508. The cubic root of 20598159 is about 274.1213121865.

The spelling of 20598159 in words is "twenty million, five hundred ninety-eight thousand, one hundred fifty-nine".