203002403243140 has 48 divisors (see below), whose sum is σ = 426649938954624. Its totient is φ = 81135272332800.

The previous prime is 203002403243117. The next prime is 203002403243197. The reversal of 203002403243140 is 41342304200302.

It is a junction number, because it is equal to n+sod(n) for n = 203002403243099 and 203002403243108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757080495 + ... + 757348585.

It is an arithmetic number, because the mean of its divisors is an integer number (8888540394888).

Almost surely, 2^{203002403243140} is an apocalyptic number.

203002403243140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203002403243140 is an abundant number, since it is smaller than the sum of its proper divisors (223647535711484).

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

203002403243140 is a wasteful number, since it uses less digits than its factorization.

203002403243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298588 (or 298586 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 203002403243140 its reverse (41342304200302), we get a palindrome (244344707443442).

The spelling of 203002403243140 in words is "two hundred three trillion, two billion, four hundred three million, two hundred forty-three thousand, one hundred forty".