203048140 has 96 divisors (see below), whose sum is σ = 476098560. Its totient is φ = 72441600.

The previous prime is 203048137. The next prime is 203048161. The reversal of 203048140 is 41840302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413295 + ... + 413785.

It is an arithmetic number, because the mean of its divisors is an integer number (4959360).

Almost surely, 2^203048140 is an apocalyptic number.

203048140 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 203048140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238049280).

203048140 is an abundant number, since it is smaller than the sum of its proper divisors (273050420).

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

203048140 is a wasteful number, since it uses less digits than its factorization.

203048140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 203048140 is about 14249.4961314427. The cubic root of 203048140 is about 587.7595195678.

Adding to 203048140 its reverse (41840302), we get a palindrome (244888442).

The spelling of 203048140 in words is "two hundred three million, forty-eight thousand, one hundred forty".