203340071940 has 96 divisors (see below), whose sum is σ = 585613257600. Its totient is φ = 52679725056.

The previous prime is 203340071933. The next prime is 203340071941. The reversal of 203340071940 is 49170043302.

It is not an unprimeable number, because it can be changed into a prime (203340071941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1426011 + ... + 1562109.

It is an arithmetic number, because the mean of its divisors is an integer number (6100138100).

Almost surely, 2^203340071940 is an apocalyptic number.

203340071940 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 203340071940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292806628800).

203340071940 is an abundant number, since it is smaller than the sum of its proper divisors (382273185660).

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

203340071940 is a wasteful number, since it uses less digits than its factorization.

203340071940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136821 (or 136819 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 203340071940 in words is "two hundred three billion, three hundred forty million, seventy-one thousand, nine hundred forty".