301012020 has 72 divisors (see below), whose sum is σ = 937768104. Its totient is φ = 78098688.

The previous prime is 301011961. The next prime is 301012031. The reversal of 301012020 is 20210103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 160731684 + 140280336 = 12678^2 + 11844^2 .

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 = 301011993 and 301012011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15939 + ... + 29258.

It is an arithmetic number, because the mean of its divisors is an integer number (13024557).

Almost surely, 2^301012020 is an apocalyptic number.

301012020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

301012020 is an abundant number, since it is smaller than the sum of its proper divisors (636756084).

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

301012020 is a wasteful number, since it uses less digits than its factorization.

301012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45249 (or 45244 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 301012020 is about 17349.6979800802. The cubic root of 301012020 is about 670.1848602549.

Adding to 301012020 its reverse (20210103), we get a palindrome (321222123).

The spelling of 301012020 in words is "three hundred one million, twelve thousand, twenty".