302442020 has 48 divisors (see below), whose sum is σ = 652995840. Its totient is φ = 117621504.

The previous prime is 302442017. The next prime is 302442029. The reversal of 302442020 is 20244203.

It is a self number, because there is not a number n which added to its sum of digits gives 302442020.

It is not an unprimeable number, because it can be changed into a prime (302442029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 104432 + ... + 107288.

It is an arithmetic number, because the mean of its divisors is an integer number (13604080).

Almost surely, 2^302442020 is an apocalyptic number.

It is an amenable number.

302442020 is an abundant number, since it is smaller than the sum of its proper divisors (350553820).

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

302442020 is a wasteful number, since it uses less digits than its factorization.

302442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012 (or 3010 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 302442020 is about 17390.8602432427. The cubic root of 302442020 is about 671.2444532992.

Adding to 302442020 its reverse (20244203), we get a palindrome (322686223).

The spelling of 302442020 in words is "three hundred two million, four hundred forty-two thousand, twenty".