303012020 has 12 divisors (see below), whose sum is σ = 636325284. Its totient is φ = 121204800.

The previous prime is 303011993. The next prime is 303012049. The reversal of 303012020 is 20210303.

It can be written as a sum of positive squares in 2 ways, for example, as 208455844 + 94556176 = 14438^2 + 9724^2 .

It is a junction number, because it is equal to n+sod(n) for n = 303011992 and 303012010.

It is a congruent number.

It is an unprimeable number.

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, 7575281 + ... + 7575320.

It is an arithmetic number, because the mean of its divisors is an integer number (53027107).

Almost surely, 2^303012020 is an apocalyptic number.

It is an amenable number.

303012020 is an abundant number, since it is smaller than the sum of its proper divisors (333313264).

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

303012020 is a wasteful number, since it uses less digits than its factorization.

303012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15150610 (or 15150608 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 303012020 is about 17407.2404475839. The cubic root of 303012020 is about 671.6658775743.

Adding to 303012020 its reverse (20210303), we get a palindrome (323222323).

The spelling of 303012020 in words is "three hundred three million, twelve thousand, twenty".