203030352 has 120 divisors (see below), whose sum is σ = 683616960. Its totient is φ = 54950400.

The previous prime is 203030351. The next prime is 203030369. The reversal of 203030352 is 253030302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203030351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13852 + ... + 24452.

It is an arithmetic number, because the mean of its divisors is an integer number (5696808).

Almost surely, 2^203030352 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 203030352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341808480).

203030352 is an abundant number, since it is smaller than the sum of its proper divisors (480586608).

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

203030352 is a wasteful number, since it uses less digits than its factorization.

203030352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10641 (or 10632 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 203030352 is about 14248.8719553514. The cubic root of 203030352 is about 587.7423555401.

Adding to 203030352 its reverse (253030302), we get a palindrome (456060654).

The spelling of 203030352 in words is "two hundred three million, thirty thousand, three hundred fifty-two".