343250020 has 24 divisors (see below), whose sum is σ = 728260344. Its totient is φ = 135883776.

The previous prime is 343249993. The next prime is 343250021. The reversal of 343250020 is 20052343.

It can be written as a sum of positive squares in 4 ways, for example, as 102131236 + 241118784 = 10106^2 + 15528^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 343250020.

It is not an unprimeable number, because it can be changed into a prime (343250021) 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, 86527 + ... + 90406.

It is an arithmetic number, because the mean of its divisors is an integer number (30344181).

Almost surely, 2^343250020 is an apocalyptic number.

It is an amenable number.

343250020 is an abundant number, since it is smaller than the sum of its proper divisors (385010324).

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

343250020 is a wasteful number, since it uses less digits than its factorization.

343250020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177039 (or 177037 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 343250020 is about 18527.0078534015. The cubic root of 343250020 is about 700.1700403240.

The spelling of 343250020 in words is "three hundred forty-three million, two hundred fifty thousand, twenty".