306054020 has 24 divisors (see below), whose sum is σ = 651768768. Its totient is φ = 120696800.

The previous prime is 306054017. The next prime is 306054061. The reversal of 306054020 is 20450603.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 306053983 and 306054001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106346 + ... + 109185.

It is an arithmetic number, because the mean of its divisors is an integer number (27157032).

Almost surely, 2^306054020 is an apocalyptic number.

It is an amenable number.

306054020 is an abundant number, since it is smaller than the sum of its proper divisors (345714748).

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

306054020 is a wasteful number, since it uses less digits than its factorization.

306054020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215611 (or 215609 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 306054020 is about 17494.3996753247. The cubic root of 306054020 is about 673.9060616291.

The spelling of 306054020 in words is "three hundred six million, fifty-four thousand, twenty".