301130020 has 12 divisors (see below), whose sum is σ = 632373084. Its totient is φ = 120452000.

The previous prime is 301129991. The next prime is 301130023. The reversal of 301130020 is 20031103.

It can be written as a sum of positive squares in 2 ways, for example, as 185395456 + 115734564 = 13616^2 + 10758^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 301129979 and 301130006.

It is not an unprimeable number, because it can be changed into a prime (301130023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7528231 + ... + 7528270.

It is an arithmetic number, because the mean of its divisors is an integer number (52697757).

Almost surely, 2^301130020 is an apocalyptic number.

It is an amenable number.

301130020 is an abundant number, since it is smaller than the sum of its proper divisors (331243064).

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

301130020 is a wasteful number, since it uses less digits than its factorization.

301130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15056510 (or 15056508 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 301130020 is about 17353.0982824394. The cubic root of 301130020 is about 670.2724220762.

Adding to 301130020 its reverse (20031103), we get a palindrome (321161123).

It can be divided in two parts, 301 and 130020, that added together give a 4-th power (130321 = 19⁴).

The spelling of 301130020 in words is "three hundred one million, one hundred thirty thousand, twenty".