343303020 has 144 divisors (see below), whose sum is σ = 1126201440. Its totient is φ = 84354048.

The previous prime is 343303007. The next prime is 343303027. The reversal of 343303020 is 20303343.

343303020 is a `hidden beast` number, since 34 + 330 + 302 + 0 = 666.

It is a super-2 number, since 2×343303020² = 235713927082240800, which contains 22 as substring.

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 = 343302984 and 343303002.

It is not an unprimeable number, because it can be changed into a prime (343303027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125184 + ... + 127896.

Almost surely, 2^343303020 is an apocalyptic number.

343303020 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 343303020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563100720).

343303020 is an abundant number, since it is smaller than the sum of its proper divisors (782898420).

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

343303020 is a wasteful number, since it uses less digits than its factorization.

343303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784 (or 2779 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 343303020 is about 18528.4381424879. The cubic root of 343303020 is about 700.2060753812.

Adding to 343303020 its reverse (20303343), we get a palindrome (363606363).

The spelling of 343303020 in words is "three hundred forty-three million, three hundred three thousand, twenty".