305020200 has 48 divisors (see below), whose sum is σ = 945564480. Its totient is φ = 81338560.

The previous prime is 305020159. The next prime is 305020201. The reversal of 305020200 is 2020503.

305020200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (305020201) 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 11 ways as a sum of consecutive naturals, for example, 253584 + ... + 254783.

It is an arithmetic number, because the mean of its divisors is an integer number (19699260).

Almost surely, 2^305020200 is an apocalyptic number.

305020200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

305020200 is an abundant number, since it is smaller than the sum of its proper divisors (640544280).

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

305020200 is a wasteful number, since it uses less digits than its factorization.

305020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508386 (or 508377 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 305020200 is about 17464.8275113154. The cubic root of 305020200 is about 673.1464097890.

Adding to 305020200 its reverse (2020503), we get a palindrome (307040703).

The spelling of 305020200 in words is "three hundred five million, twenty thousand, two hundred".