203340432 has 80 divisors (see below), whose sum is σ = 562464000. Its totient is φ = 63107712.

The previous prime is 203340409. The next prime is 203340457. The reversal of 203340432 is 234043302.

It is a junction number, because it is equal to n+sod(n) for n = 203340399 and 203340408.

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 15 ways as a sum of consecutive naturals, for example, 51919 + ... + 55697.

It is an arithmetic number, because the mean of its divisors is an integer number (7030800).

Almost surely, 2^203340432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203340432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281232000).

203340432 is an abundant number, since it is smaller than the sum of its proper divisors (359123568).

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

203340432 is a wasteful number, since it uses less digits than its factorization.

203340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868 (or 3862 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 203340432 is about 14259.7486653868. The cubic root of 203340432 is about 588.0414150106.

Adding to 203340432 its reverse (234043302), we get a palindrome (437383734).

The spelling of 203340432 in words is "two hundred three million, three hundred forty thousand, four hundred thirty-two".