203340111020 has 24 divisors (see below), whose sum is σ = 440788887168. Its totient is φ = 78712300800.

The previous prime is 203340111011. The next prime is 203340111031. The reversal of 203340111020 is 20111043302.

203340111020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 203340111020.

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 7 ways as a sum of consecutive naturals, for example, 163983341 + ... + 163984580.

It is an arithmetic number, because the mean of its divisors is an integer number (18366203632).

Almost surely, 2^203340111020 is an apocalyptic number.

203340111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203340111020 is an abundant number, since it is smaller than the sum of its proper divisors (237448776148).

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

203340111020 is a wasteful number, since it uses less digits than its factorization.

203340111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327967961 (or 327967959 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 203340111020 its reverse (20111043302), we get a palindrome (223451154322).

The spelling of 203340111020 in words is "two hundred three billion, three hundred forty million, one hundred eleven thousand, twenty".