203440002 has 32 divisors (see below), whose sum is σ = 417294720. Its totient is φ = 66097920.

The previous prime is 203439979. The next prime is 203440007. The reversal of 203440002 is 200044302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (203440007) 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 15 ways as a sum of consecutive naturals, for example, 38899 + ... + 43817.

It is an arithmetic number, because the mean of its divisors is an integer number (13040460).

Almost surely, 2^203440002 is an apocalyptic number.

203440002 is an abundant number, since it is smaller than the sum of its proper divisors (213854718).

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

203440002 is a wasteful number, since it uses less digits than its factorization.

203440002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 203440002 is about 14263.2395338506. The cubic root of 203440002 is about 588.1373817084.

Adding to 203440002 its reverse (200044302), we get a palindrome (403484304).

The spelling of 203440002 in words is "two hundred three million, four hundred forty thousand, two".