20259230 has 8 divisors (see below), whose sum is σ = 36466632. Its totient is φ = 8103688.

The previous prime is 20259229. The next prime is 20259233. The reversal of 20259230 is 3295202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20259196 and 20259205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20259233) 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, 1012952 + ... + 1012971.

It is an arithmetic number, because the mean of its divisors is an integer number (4558329).

Almost surely, 2^20259230 is an apocalyptic number.

20259230 is a deficient number, since it is larger than the sum of its proper divisors (16207402).

20259230 is a wasteful number, since it uses less digits than its factorization.

20259230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025930.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20259230 is about 4501.0254387195. The cubic root of 20259230 is about 272.6094950371.

The spelling of 20259230 in words is "twenty million, two hundred fifty-nine thousand, two hundred thirty".