342815020 has 24 divisors (see below), whose sum is σ = 720894384. Its totient is φ = 136938816.

The previous prime is 342815009. The next prime is 342815021. The reversal of 342815020 is 20518243.

It is not an unprimeable number, because it can be changed into a prime (342815021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3819 + ... + 26461.

It is an arithmetic number, because the mean of its divisors is an integer number (30037266).

Almost surely, 2^342815020 is an apocalyptic number.

It is an amenable number.

342815020 is an abundant number, since it is smaller than the sum of its proper divisors (378079364).

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

342815020 is a wasteful number, since it uses less digits than its factorization.

342815020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23409 (or 23407 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 342815020 is about 18515.2645133684. The cubic root of 342815020 is about 699.8741406373.

The spelling of 342815020 in words is "three hundred forty-two million, eight hundred fifteen thousand, twenty".