20043130 has 8 divisors (see below), whose sum is σ = 36077652. Its totient is φ = 8017248.

The previous prime is 20043083. The next prime is 20043151. The reversal of 20043130 is 3134002.

It can be written as a sum of positive squares in 2 ways, for example, as 18722929 + 1320201 = 4327^2 + 1149^2 .

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 20043130.

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, 1002147 + ... + 1002166.

Almost surely, 2^20043130 is an apocalyptic number.

20043130 is a deficient number, since it is larger than the sum of its proper divisors (16034522).

20043130 is a wasteful number, since it uses less digits than its factorization.

20043130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004320.

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

The square root of 20043130 is about 4476.9554386882. The cubic root of 20043130 is about 271.6367429539.

Adding to 20043130 its reverse (3134002), we get a palindrome (23177132).

The spelling of 20043130 in words is "twenty million, forty-three thousand, one hundred thirty".