20120452130 has 8 divisors (see below), whose sum is σ = 36216813852. Its totient is φ = 8048180848.

The previous prime is 20120452117. The next prime is 20120452193. The reversal of 20120452130 is 3125402102.

It can be written as a sum of positive squares in 2 ways, for example, as 19420373449 + 700078681 = 139357^2 + 26459^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006022597 + ... + 1006022616.

Almost surely, 2^20120452130 is an apocalyptic number.

20120452130 is a deficient number, since it is larger than the sum of its proper divisors (16096361722).

20120452130 is a wasteful number, since it uses less digits than its factorization.

20120452130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012045220.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20120452130 its reverse (3125402102), we get a palindrome (23245854232).

The spelling of 20120452130 in words is "twenty billion, one hundred twenty million, four hundred fifty-two thousand, one hundred thirty".