302004120 has 128 divisors (see below), whose sum is σ = 997920000. Its totient is φ = 72506880.

The previous prime is 302004103. The next prime is 302004121. The reversal of 302004120 is 21400203.

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 = 302004096 and 302004105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302004121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142831 + ... + 144929.

It is an arithmetic number, because the mean of its divisors is an integer number (7796250).

Almost surely, 2^302004120 is an apocalyptic number.

302004120 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 302004120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498960000).

302004120 is an abundant number, since it is smaller than the sum of its proper divisors (695915880).

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

302004120 is a wasteful number, since it uses less digits than its factorization.

302004120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233 (or 2229 counting only the distinct ones).

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

The square root of 302004120 is about 17378.2657362580. The cubic root of 302004120 is about 670.9203361647.

Adding to 302004120 its reverse (21400203), we get a palindrome (323404323).

The spelling of 302004120 in words is "three hundred two million, four thousand, one hundred twenty".