20130430 has 8 divisors (see below), whose sum is σ = 36234792. Its totient is φ = 8052168.

The previous prime is 20130413. The next prime is 20130449. The reversal of 20130430 is 3403102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20130430.

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, 1006512 + ... + 1006531.

It is an arithmetic number, because the mean of its divisors is an integer number (4529349).

Almost surely, 2^20130430 is an apocalyptic number.

20130430 is a deficient number, since it is larger than the sum of its proper divisors (16104362).

20130430 is a wasteful number, since it uses less digits than its factorization.

20130430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013050.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20130430 is about 4486.6947745529. The cubic root of 20130430 is about 272.0305527243.

Adding to 20130430 its reverse (3403102), we get a palindrome (23533532).

The spelling of 20130430 in words is "twenty million, one hundred thirty thousand, four hundred thirty".