302380420 has 12 divisors (see below), whose sum is σ = 634998924. Its totient is φ = 120952160.

The previous prime is 302380373. The next prime is 302380427. The reversal of 302380420 is 24083203.

It can be written as a sum of positive squares in 2 ways, for example, as 144576576 + 157803844 = 12024^2 + 12562^2 .

It is a junction number, because it is equal to n+sod(n) for n = 302380391 and 302380400.

It is not an unprimeable number, because it can be changed into a prime (302380427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7559491 + ... + 7559530.

It is an arithmetic number, because the mean of its divisors is an integer number (52916577).

Almost surely, 2^302380420 is an apocalyptic number.

It is an amenable number.

302380420 is an abundant number, since it is smaller than the sum of its proper divisors (332618504).

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

302380420 is a wasteful number, since it uses less digits than its factorization.

302380420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15119030 (or 15119028 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 302380420 is about 17389.0891078285. The cubic root of 302380420 is about 671.1988782103.

The spelling of 302380420 in words is "three hundred two million, three hundred eighty thousand, four hundred twenty".