302100020 has 24 divisors (see below), whose sum is σ = 647910144. Its totient is φ = 118268576.

The previous prime is 302100011. The next prime is 302100077. The reversal of 302100020 is 20001203.

302100020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 302099980 and 302100007.

It is a congruent number.

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, 159752 + ... + 161631.

It is an arithmetic number, because the mean of its divisors is an integer number (26996256).

Almost surely, 2^302100020 is an apocalyptic number.

It is an amenable number.

302100020 is an abundant number, since it is smaller than the sum of its proper divisors (345810124).

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

302100020 is a wasteful number, since it uses less digits than its factorization.

302100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321439 (or 321437 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 302100020 is about 17381.0247108736. The cubic root of 302100020 is about 670.9913445238.

Adding to 302100020 its reverse (20001203), we get a palindrome (322101223).

The spelling of 302100020 in words is "three hundred two million, one hundred thousand, twenty".