302001020220 has 192 divisors, whose sum is σ = 911672745984. Its totient is φ = 74508698880.

The previous prime is 302001020213. The next prime is 302001020227. The reversal of 302001020220 is 22020100203.

It is an interprime number because it is at equal distance from previous prime (302001020213) and next prime (302001020227).

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 = 302001020196 and 302001020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302001020227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6087315 + ... + 6136725.

It is an arithmetic number, because the mean of its divisors is an integer number (4748295552).

Almost surely, 2^302001020220 is an apocalyptic number.

302001020220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302001020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455836372992).

302001020220 is an abundant number, since it is smaller than the sum of its proper divisors (609671725764).

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

302001020220 is a wasteful number, since it uses less digits than its factorization.

302001020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49592 (or 49590 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 302001020220 its reverse (22020100203), we get a palindrome (324021120423).

The spelling of 302001020220 in words is "three hundred two billion, one million, twenty thousand, two hundred twenty".