380305220 has 24 divisors (see below), whose sum is σ = 799008000. Its totient is φ = 152052192.

The previous prime is 380305193. The next prime is 380305223. The reversal of 380305220 is 22503083.

It is not an unprimeable number, because it can be changed into a prime (380305223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79661 + ... + 84299.

It is an arithmetic number, because the mean of its divisors is an integer number (33292000).

Almost surely, 2^380305220 is an apocalyptic number.

It is an amenable number.

380305220 is an abundant number, since it is smaller than the sum of its proper divisors (418702780).

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

380305220 is a wasteful number, since it uses less digits than its factorization.

380305220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747 (or 8745 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 380305220 is about 19501.4158460354. The cubic root of 380305220 is about 724.5095184295.

The spelling of 380305220 in words is "three hundred eighty million, three hundred five thousand, two hundred twenty".