203320120300000 has 288 divisors, whose sum is σ = 550640791296288. Its totient is φ = 73280256000000.

The previous prime is 203320120299997. The next prime is 203320120300061. The reversal of 203320120300000 is 3021023302.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123482140 + ... + 125117860.

It is an arithmetic number, because the mean of its divisors is an integer number (1911947192001).

Almost surely, 2^{203320120300000} is an apocalyptic number.

203320120300000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203320120300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275320395648144).

203320120300000 is an abundant number, since it is smaller than the sum of its proper divisors (347320670996288).

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

203320120300000 is a wasteful number, since it uses less digits than its factorization.

203320120300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635880 (or 1635852 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 203320120300000 its reverse (3021023302), we get a palindrome (203323141323302).

The spelling of 203320120300000 in words is "two hundred three trillion, three hundred twenty billion, one hundred twenty million, three hundred thousand".