203200040 has 32 divisors (see below), whose sum is σ = 471951360. Its totient is φ = 78657600.

The previous prime is 203200033. The next prime is 203200043. The reversal of 203200040 is 40002302.

It is a junction number, because it is equal to n+sod(n) for n = 203199994 and 203200030.

It is not an unprimeable number, because it can be changed into a prime (203200043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80696 + ... + 83175.

It is an arithmetic number, because the mean of its divisors is an integer number (14748480).

Almost surely, 2^203200040 is an apocalyptic number.

203200040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203200040 is an abundant number, since it is smaller than the sum of its proper divisors (268751320).

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

203200040 is a wasteful number, since it uses less digits than its factorization.

203200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163913 (or 163909 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 203200040 is about 14254.8251479981. The cubic root of 203200040 is about 587.9060503637.

Adding to 203200040 its reverse (40002302), we get a palindrome (243202342).

The spelling of 203200040 in words is "two hundred three million, two hundred thousand, forty".