203142120140 has 12 divisors (see below), whose sum is σ = 426598452336. Its totient is φ = 81256848048.

The previous prime is 203142120113. The next prime is 203142120149. The reversal of 203142120140 is 41021241302.

203142120140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10157106007 = 203142120140 / (2 + 0 + 3 + 1 + 4 + 2 + 1 + 2 + 0 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (203142120149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5078552984 + ... + 5078553023.

It is an arithmetic number, because the mean of its divisors is an integer number (35549871028).

Almost surely, 2^203142120140 is an apocalyptic number.

203142120140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203142120140 is an abundant number, since it is smaller than the sum of its proper divisors (223456332196).

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

203142120140 is a wasteful number, since it uses less digits than its factorization.

203142120140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10157106016 (or 10157106014 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 203142120140 its reverse (41021241302), we get a palindrome (244163361442).

The spelling of 203142120140 in words is "two hundred three billion, one hundred forty-two million, one hundred twenty thousand, one hundred forty".