301140220 has 12 divisors (see below), whose sum is σ = 632394504. Its totient is φ = 120456080.

The previous prime is 301140211. The next prime is 301140221. The reversal of 301140220 is 22041103.

It is a self number, because there is not a number n which added to its sum of digits gives 301140220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301140221) 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, 7528486 + ... + 7528525.

It is an arithmetic number, because the mean of its divisors is an integer number (52699542).

Almost surely, 2^301140220 is an apocalyptic number.

It is an amenable number.

301140220 is an abundant number, since it is smaller than the sum of its proper divisors (331254284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

301140220 is a wasteful number, since it uses less digits than its factorization.

301140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15057020 (or 15057018 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 301140220 is about 17353.3921755949. The cubic root of 301140220 is about 670.2799899053.

Adding to 301140220 its reverse (22041103), we get a palindrome (323181323).

The spelling of 301140220 in words is "three hundred one million, one hundred forty thousand, two hundred twenty".