346812020 has 24 divisors (see below), whose sum is σ = 733870368. Its totient is φ = 137664800.

The previous prime is 346812017. The next prime is 346812031. The reversal of 346812020 is 20218643.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63566 + ... + 68805.

It is an arithmetic number, because the mean of its divisors is an integer number (30577932).

Almost surely, 2^346812020 is an apocalyptic number.

It is an amenable number.

346812020 is an abundant number, since it is smaller than the sum of its proper divisors (387058348).

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

346812020 is a wasteful number, since it uses less digits than its factorization.

346812020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132511 (or 132509 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 346812020 is about 18622.8896791019. The cubic root of 346812020 is about 702.5836629884.

The spelling of 346812020 in words is "three hundred forty-six million, eight hundred twelve thousand, twenty".