202143340140 has 96 divisors (see below), whose sum is σ = 646937969664. Its totient is φ = 46198529280.

The previous prime is 202143340099. The next prime is 202143340151. The reversal of 202143340140 is 41043341202.

202143340140 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 202143340140.

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 31 ways as a sum of consecutive naturals, for example, 4083417 + ... + 4132623.

It is an arithmetic number, because the mean of its divisors is an integer number (6738937184).

Almost surely, 2^202143340140 is an apocalyptic number.

202143340140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202143340140 is an abundant number, since it is smaller than the sum of its proper divisors (444794629524).

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

202143340140 is a wasteful number, since it uses less digits than its factorization.

202143340140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59007 (or 59005 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202143340140 its reverse (41043341202), we get a palindrome (243186681342).

The spelling of 202143340140 in words is "two hundred two billion, one hundred forty-three million, three hundred forty thousand, one hundred forty".