203034340 has 48 divisors (see below), whose sum is σ = 452511360. Its totient is φ = 76355840.

The previous prime is 203034329. The next prime is 203034343. The reversal of 203034340 is 43430302.

It is not an unprimeable number, because it can be changed into a prime (203034343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23400 + ... + 30880.

It is an arithmetic number, because the mean of its divisors is an integer number (9427320).

Almost surely, 2^203034340 is an apocalyptic number.

203034340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203034340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226255680).

203034340 is an abundant number, since it is smaller than the sum of its proper divisors (249477020).

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

203034340 is a wasteful number, since it uses less digits than its factorization.

203034340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572 (or 7570 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 203034340 is about 14249.0118955667. The cubic root of 203034340 is about 587.7462037352.

Adding to 203034340 its reverse (43430302), we get a palindrome (246464642).

The spelling of 203034340 in words is "two hundred three million, thirty-four thousand, three hundred forty".