203030330320 has 80 divisors (see below), whose sum is σ = 473685485760. Its totient is φ = 80930368512.

The previous prime is 203030330311. The next prime is 203030330339. The reversal of 203030330320 is 23033030302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×203030330320² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52967124 + ... + 52970956.

It is an arithmetic number, because the mean of its divisors is an integer number (5921068572).

Almost surely, 2^203030330320 is an apocalyptic number.

203030330320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203030330320 is an abundant number, since it is smaller than the sum of its proper divisors (270655155440).

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

203030330320 is a wasteful number, since it uses less digits than its factorization.

203030330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972 (or 5966 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 19.

Adding to 203030330320 its reverse (23033030302), we get a palindrome (226063360622).

The spelling of 203030330320 in words is "two hundred three billion, thirty million, three hundred thirty thousand, three hundred twenty".