20430230 has 8 divisors (see below), whose sum is σ = 36774432. Its totient is φ = 8172088.

The previous prime is 20430191. The next prime is 20430251. The reversal of 20430230 is 3203402.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021502 + ... + 1021521.

It is an arithmetic number, because the mean of its divisors is an integer number (4596804).

Almost surely, 2^20430230 is an apocalyptic number.

20430230 is a deficient number, since it is larger than the sum of its proper divisors (16344202).

20430230 is a wasteful number, since it uses less digits than its factorization.

20430230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043030.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20430230 is about 4519.9811946511. The cubic root of 20430230 is about 273.3743427794.

Adding to 20430230 its reverse (3203402), we get a palindrome (23633632).

The spelling of 20430230 in words is "twenty million, four hundred thirty thousand, two hundred thirty".