302203312020 has 192 divisors, whose sum is σ = 958174694400. Its totient is φ = 79058903040.

The previous prime is 302203312013. The next prime is 302203312039. The reversal of 302203312020 is 20213302203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 302203311984 and 302203312002.

It is a congruent number.

It is an unprimeable number.

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, 6675060 + ... + 6720180.

It is an arithmetic number, because the mean of its divisors is an integer number (4990493200).

Almost surely, 2^302203312020 is an apocalyptic number.

302203312020 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 302203312020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479087347200).

302203312020 is an abundant number, since it is smaller than the sum of its proper divisors (655971382380).

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

302203312020 is a wasteful number, since it uses less digits than its factorization.

302203312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45375 (or 45367 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 302203312020 its reverse (20213302203), we get a palindrome (322416614223).

The spelling of 302203312020 in words is "three hundred two billion, two hundred three million, three hundred twelve thousand, twenty".