343020020 has 24 divisors (see below), whose sum is σ = 823248384. Its totient is φ = 117606816.

The previous prime is 343020017. The next prime is 343020023. The reversal of 343020020 is 20020343.

It is an interprime number because it is at equal distance from previous prime (343020017) and next prime (343020023).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 343019977 and 343020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224932 + ... + 1225211.

It is an arithmetic number, because the mean of its divisors is an integer number (34302016).

Almost surely, 2^343020020 is an apocalyptic number.

It is an amenable number.

343020020 is an abundant number, since it is smaller than the sum of its proper divisors (480228364).

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

343020020 is a wasteful number, since it uses less digits than its factorization.

343020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450159 (or 2450157 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 343020020 is about 18520.7996587620. The cubic root of 343020020 is about 700.0136187827.

Adding to 343020020 its reverse (20020343), we get a palindrome (363040363).

The spelling of 343020020 in words is "three hundred forty-three million, twenty thousand, twenty".