203340730 has 16 divisors (see below), whose sum is σ = 374941224. Its totient is φ = 79352320.

The previous prime is 203340719. The next prime is 203340799. The reversal of 203340730 is 37043302.

It can be written as a sum of positive squares in 4 ways, for example, as 123899161 + 79441569 = 11131^2 + 8913^2 .

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, 247567 + ... + 248386.

Almost surely, 2^203340730 is an apocalyptic number.

203340730 is a deficient number, since it is larger than the sum of its proper divisors (171600494).

203340730 is a wasteful number, since it uses less digits than its factorization.

203340730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496001.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 203340730 is about 14259.7591143750. The cubic root of 203340730 is about 588.0417022732.

The spelling of 203340730 in words is "two hundred three million, three hundred forty thousand, seven hundred thirty".