203030030 has 24 divisors (see below), whose sum is σ = 425121048. Its totient is φ = 69610128.

The previous prime is 203029927. The next prime is 203030057. The reversal of 203030030 is 30030302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203029993 and 203030020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206684 + ... + 207663.

It is an arithmetic number, because the mean of its divisors is an integer number (17713377).

Almost surely, 2^203030030 is an apocalyptic number.

203030030 is an abundant number, since it is smaller than the sum of its proper divisors (222091018).

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

203030030 is a wasteful number, since it uses less digits than its factorization.

203030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414368 (or 414361 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 11.

The square root of 203030030 is about 14248.8606562069. The cubic root of 203030030 is about 587.7420448261.

Adding to 203030030 its reverse (30030302), we get a palindrome (233060332).

The spelling of 203030030 in words is "two hundred three million, thirty thousand, thirty".