130020442 has 8 divisors (see below), whose sum is σ = 200301876. Its totient is φ = 63253152.

The previous prime is 130020421. The next prime is 130020467. The reversal of 130020442 is 244020031.

It can be written as a sum of positive squares in 2 ways, for example, as 129299641 + 720801 = 11371^2 + 849^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878443 + ... + 878590.

Almost surely, 2^130020442 is an apocalyptic number.

130020442 is a deficient number, since it is larger than the sum of its proper divisors (70281434).

130020442 is a wasteful number, since it uses less digits than its factorization.

130020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757072.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 130020442 is about 11402.6506567552. The cubic root of 130020442 is about 506.6062530884.

Adding to 130020442 its reverse (244020031), we get a palindrome (374040473).

The spelling of 130020442 in words is "one hundred thirty million, twenty thousand, four hundred forty-two".