203380340 has 24 divisors (see below), whose sum is σ = 430467072. Its totient is φ = 80710560.

The previous prime is 203380339. The next prime is 203380343. The reversal of 203380340 is 43083302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203380343) 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, 37496 + ... + 42575.

It is an arithmetic number, because the mean of its divisors is an integer number (17936128).

Almost surely, 2^203380340 is an apocalyptic number.

203380340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203380340 is an abundant number, since it is smaller than the sum of its proper divisors (227086732).

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

203380340 is a wasteful number, since it uses less digits than its factorization.

203380340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80207 (or 80205 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 203380340 is about 14261.1479201360. The cubic root of 203380340 is about 588.0798825557.

The spelling of 203380340 in words is "two hundred three million, three hundred eighty thousand, three hundred forty".