302020300020 has 48 divisors (see below), whose sum is σ = 845680929408. Its totient is φ = 80536452480.

The previous prime is 302020299989. The next prime is 302020300033. The reversal of 302020300020 is 20003020203.

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

It is a junction number, because it is equal to n+sod(n) for n = 302020299969 and 302020300005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3641857 + ... + 3723863.

It is an arithmetic number, because the mean of its divisors is an integer number (17618352696).

Almost surely, 2^302020300020 is an apocalyptic number.

302020300020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

302020300020 is an abundant number, since it is smaller than the sum of its proper divisors (543660629388).

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

302020300020 is a wasteful number, since it uses less digits than its factorization.

302020300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143400 (or 143398 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 302020300020 its reverse (20003020203), we get a palindrome (322023320223).

The spelling of 302020300020 in words is "three hundred two billion, twenty million, three hundred thousand, twenty".