20302430 has 8 divisors (see below), whose sum is σ = 36544392. Its totient is φ = 8120968.

The previous prime is 20302417. The next prime is 20302459. The reversal of 20302430 is 3420302.

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, 1015112 + ... + 1015131.

It is an arithmetic number, because the mean of its divisors is an integer number (4568049).

Almost surely, 2^20302430 is an apocalyptic number.

20302430 is a deficient number, since it is larger than the sum of its proper divisors (16241962).

20302430 is a wasteful number, since it uses less digits than its factorization.

20302430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030250.

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

The square root of 20302430 is about 4505.8217896406. The cubic root of 20302430 is about 272.8031247940.

Adding to 20302430 its reverse (3420302), we get a palindrome (23722732).

The spelling of 20302430 in words is "twenty million, three hundred two thousand, four hundred thirty".