302020343 has 4 divisors (see below), whose sum is σ = 305413920. Its totient is φ = 298626768.

The previous prime is 302020331. The next prime is 302020349. The reversal of 302020343 is 343020203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302020343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302020349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696655 + ... + 1696832.

It is an arithmetic number, because the mean of its divisors is an integer number (76353480).

Almost surely, 2^302020343 is an apocalyptic number.

302020343 is a deficient number, since it is larger than the sum of its proper divisors (3393577).

302020343 is an equidigital number, since it uses as much as digits as its factorization.

302020343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393576.

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

The square root of 302020343 is about 17378.7324911801. The cubic root of 302020343 is about 670.9323494067.

Adding to 302020343 its reverse (343020203), we get a palindrome (645040546).

The spelling of 302020343 in words is "three hundred two million, twenty thousand, three hundred forty-three".