302120113020 has 576 divisors, whose sum is σ = 1024836696576. Its totient is φ = 65858365440.

The previous prime is 302120113019. The next prime is 302120113021. The reversal of 302120113020 is 20311021203.

It is an interprime number because it is at equal distance from previous prime (302120113019) and next prime (302120113021).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302120113021) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 379071262 + ... + 379072058.

It is an arithmetic number, because the mean of its divisors is an integer number (1779230376).

Almost surely, 2^302120113020 is an apocalyptic number.

302120113020 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 302120113020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512418348288).

302120113020 is an abundant number, since it is smaller than the sum of its proper divisors (722716583556).

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

302120113020 is a wasteful number, since it uses less digits than its factorization.

302120113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 302120113020 its reverse (20311021203), we get a palindrome (322431134223).

The spelling of 302120113020 in words is "three hundred two billion, one hundred twenty million, one hundred thirteen thousand, twenty".