203302321000020 has 72 divisors (see below), whose sum is σ = 672745862224800. Its totient is φ = 49285411151040.

The previous prime is 203302320999989. The next prime is 203302321000039. The reversal of 203302321000020 is 20000123203302.

It is a happy number.

203302321000020 is a `hidden beast` number, since 2 + 0 + 330 + 232 + 100 + 0 + 0 + 2 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 203302320999957 and 203302321000002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51338967970 + ... + 51338971929.

It is an arithmetic number, because the mean of its divisors is an integer number (9343692530900).

Almost surely, 2^{203302321000020} is an apocalyptic number.

203302321000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203302321000020 is an abundant number, since it is smaller than the sum of its proper divisors (469443541224780).

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

203302321000020 is a wasteful number, since it uses less digits than its factorization.

203302321000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102677939925 (or 102677939920 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 203302321000020 its reverse (20000123203302), we get a palindrome (223302444203322).

The spelling of 203302321000020 in words is "two hundred three trillion, three hundred two billion, three hundred twenty-one million, twenty", and thus it is an aban number.