306642020342 has 32 divisors (see below), whose sum is σ = 548582284800. Its totient is φ = 125691591168.

The previous prime is 306642020339. The next prime is 306642020353. The reversal of 306642020342 is 243020246603.

It is a junction number, because it is equal to n+sod(n) for n = 306642020299 and 306642020308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3605909 + ... + 3689967.

It is an arithmetic number, because the mean of its divisors is an integer number (17143196400).

Almost surely, 2^306642020342 is an apocalyptic number.

306642020342 is a deficient number, since it is larger than the sum of its proper divisors (241940264458).

306642020342 is a wasteful number, since it uses less digits than its factorization.

306642020342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95420.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 306642020342 its reverse (243020246603), we get a palindrome (549662266945).

The spelling of 306642020342 in words is "three hundred six billion, six hundred forty-two million, twenty thousand, three hundred forty-two".