300130020 has 36 divisors (see below), whose sum is σ = 910394940. Its totient is φ = 80034624.

The previous prime is 300130001. The next prime is 300130021. The reversal of 300130020 is 20031003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41370624 + 258759396 = 6432^2 + 16086^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 300129984 and 300130011.

It is not an unprimeable number, because it can be changed into a prime (300130021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 833515 + ... + 833874.

Almost surely, 2^300130020 is an apocalyptic number.

300130020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

300130020 is an abundant number, since it is smaller than the sum of its proper divisors (610264920).

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

300130020 is a wasteful number, since it uses less digits than its factorization.

300130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667404 (or 1667399 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 300130020 is about 17324.2610232010. The cubic root of 300130020 is about 669.5296468609.

Adding to 300130020 its reverse (20031003), we get a palindrome (320161023).

The spelling of 300130020 in words is "three hundred million, one hundred thirty thousand, twenty".