343320020 has 24 divisors (see below), whose sum is σ = 721795200. Its totient is φ = 137171232.

The previous prime is 343320013. The next prime is 343320037. The reversal of 343320020 is 20023343.

It is a super-2 number, since 2×343320020² = 235737272265600800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9041 + ... + 27719.

It is an arithmetic number, because the mean of its divisors is an integer number (30074800).

Almost surely, 2^343320020 is an apocalyptic number.

It is an amenable number.

343320020 is an abundant number, since it is smaller than the sum of its proper divisors (378475180).

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

343320020 is a wasteful number, since it uses less digits than its factorization.

343320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19607 (or 19605 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 343320020 is about 18528.8968910726. The cubic root of 343320020 is about 700.2176330102.

Adding to 343320020 its reverse (20023343), we get a palindrome (363343363).

The spelling of 343320020 in words is "three hundred forty-three million, three hundred twenty thousand, twenty".