300220135 has 4 divisors (see below), whose sum is σ = 360264168. Its totient is φ = 240176104.

The previous prime is 300220111. The next prime is 300220139. The reversal of 300220135 is 531022003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 300220135 - 2¹³ = 300211943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300220139) 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, 30022009 + ... + 30022018.

It is an arithmetic number, because the mean of its divisors is an integer number (90066042).

Almost surely, 2^300220135 is an apocalyptic number.

300220135 is a deficient number, since it is larger than the sum of its proper divisors (60044033).

300220135 is an equidigital number, since it uses as much as digits as its factorization.

300220135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60044032.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 300220135 is about 17326.8616604393. The cubic root of 300220135 is about 669.5966496292.

Adding to 300220135 its reverse (531022003), we get a palindrome (831242138).

The spelling of 300220135 in words is "three hundred million, two hundred twenty thousand, one hundred thirty-five".