203082140 has 36 divisors (see below), whose sum is σ = 432204696. Its totient is φ = 80155296.

The previous prime is 203082137. The next prime is 203082149. The reversal of 203082140 is 41280302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203082149) 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 11 ways as a sum of consecutive naturals, for example, 124007 + ... + 125633.

It is an arithmetic number, because the mean of its divisors is an integer number (12005686).

Almost surely, 2^203082140 is an apocalyptic number.

203082140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203082140 is an abundant number, since it is smaller than the sum of its proper divisors (229122556).

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

203082140 is a wasteful number, since it uses less digits than its factorization.

203082140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794 (or 1713 counting only the distinct ones).

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

The square root of 203082140 is about 14250.6891061450. The cubic root of 203082140 is about 587.7923241174.

The spelling of 203082140 in words is "two hundred three million, eighty-two thousand, one hundred forty".