203342072 has 16 divisors (see below), whose sum is σ = 381918240. Its totient is φ = 101497216.

The previous prime is 203342053. The next prime is 203342081. The reversal of 203342072 is 270243302.

203342072 = 264² + 265² + ... + 856².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16688 + ... + 26175.

It is an arithmetic number, because the mean of its divisors is an integer number (23869890).

Almost surely, 2^203342072 is an apocalyptic number.

It is an amenable number.

203342072 is a deficient number, since it is larger than the sum of its proper divisors (178576168).

203342072 is a wasteful number, since it uses less digits than its factorization.

203342072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43462 (or 43458 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 203342072 is about 14259.8061697907. The cubic root of 203342072 is about 588.0429959150.

Adding to 203342072 its reverse (270243302), we get a palindrome (473585374).

The spelling of 203342072 in words is "two hundred three million, three hundred forty-two thousand, seventy-two".