130020030221 has 4 divisors (see below), whose sum is σ = 130020840672. Its totient is φ = 130019219772.

The previous prime is 130020030197. The next prime is 130020030223. The reversal of 130020030221 is 122030020031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 122030020031 = 143159 ⋅852409.

It is a cyclic number.

It is not a de Polignac number, because 130020030221 - 2¹⁰ = 130020029197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130020030196 and 130020030205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130020030223) by changing a digit.

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, 74735 + ... + 515388.

It is an arithmetic number, because the mean of its divisors is an integer number (32505210168).

Almost surely, 2^130020030221 is an apocalyptic number.

It is an amenable number.

130020030221 is a deficient number, since it is larger than the sum of its proper divisors (810451).

130020030221 is an equidigital number, since it uses as much as digits as its factorization.

130020030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810450.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 130020030221 its reverse (122030020031), we get a palindrome (252050050252).

The spelling of 130020030221 in words is "one hundred thirty billion, twenty million, thirty thousand, two hundred twenty-one".