20130230 has 8 divisors (see below), whose sum is σ = 36234432. Its totient is φ = 8052088.

The previous prime is 20130223. The next prime is 20130233. The reversal of 20130230 is 3203102.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130233) 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 3 ways as a sum of consecutive naturals, for example, 1006502 + ... + 1006521.

It is an arithmetic number, because the mean of its divisors is an integer number (4529304).

Almost surely, 2^20130230 is an apocalyptic number.

20130230 is a deficient number, since it is larger than the sum of its proper divisors (16104202).

20130230 is a wasteful number, since it uses less digits than its factorization.

20130230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013030.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20130230 is about 4486.6724863756. The cubic root of 20130230 is about 272.0296518280.

Adding to 20130230 its reverse (3203102), we get a palindrome (23333332).

The spelling of 20130230 in words is "twenty million, one hundred thirty thousand, two hundred thirty".