20030430 has 32 divisors (see below), whose sum is σ = 54941184. Its totient is φ = 4578336.

The previous prime is 20030411. The next prime is 20030443. The reversal of 20030430 is 3403002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47482 + ... + 47901.

It is an arithmetic number, because the mean of its divisors is an integer number (1716912).

Almost surely, 2^20030430 is an apocalyptic number.

20030430 is an abundant number, since it is smaller than the sum of its proper divisors (34910754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20030430 is a wasteful number, since it uses less digits than its factorization.

20030430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95400.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20030430 is about 4475.5368393077. The cubic root of 20030430 is about 271.5793581122.

Adding to 20030430 its reverse (3403002), we get a palindrome (23433432).

The spelling of 20030430 in words is "twenty million, thirty thousand, four hundred thirty".