220030301 has 4 divisors (see below), whose sum is σ = 220374204. Its totient is φ = 219686400.

The previous prime is 220030289. The next prime is 220030367. The reversal of 220030301 is 103030022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103030022 = 2 ⋅51515011.

It can be written as a sum of positive squares in 2 ways, for example, as 122988100 + 97042201 = 11090^2 + 9851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220030301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220030001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170990 + ... + 172271.

It is an arithmetic number, because the mean of its divisors is an integer number (55093551).

Almost surely, 2^220030301 is an apocalyptic number.

It is an amenable number.

220030301 is a deficient number, since it is larger than the sum of its proper divisors (343903).

220030301 is an equidigital number, since it uses as much as digits as its factorization.

220030301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343902.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 220030301 is about 14833.4183855240. The cubic root of 220030301 is about 603.7087877714.

Adding to 220030301 its reverse (103030022), we get a palindrome (323060323).

The spelling of 220030301 in words is "two hundred twenty million, thirty thousand, three hundred one".