20430232 has 16 divisors (see below), whose sum is σ = 38359800. Its totient is φ = 10200960.

The previous prime is 20430191. The next prime is 20430251. The reversal of 20430232 is 23203402.

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, 6807 + ... + 9337.

Almost surely, 2^20430232 is an apocalyptic number.

It is an amenable number.

20430232 is a deficient number, since it is larger than the sum of its proper divisors (17929568).

20430232 is a wasteful number, since it uses less digits than its factorization.

20430232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546 (or 3542 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 20430232 is about 4519.9814158910. The cubic root of 20430232 is about 273.3743517000.

Adding to 20430232 its reverse (23203402), we get a palindrome (43633634).

The spelling of 20430232 in words is "twenty million, four hundred thirty thousand, two hundred thirty-two".