203033140 has 12 divisors (see below), whose sum is σ = 426369636. Its totient is φ = 81213248.

The previous prime is 203033099. The next prime is 203033141. The reversal of 203033140 is 41330302.

It can be written as a sum of positive squares in 2 ways, for example, as 89226916 + 113806224 = 9446^2 + 10668^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203033141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5075809 + ... + 5075848.

It is an arithmetic number, because the mean of its divisors is an integer number (35530803).

Almost surely, 2^203033140 is an apocalyptic number.

203033140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203033140 is an abundant number, since it is smaller than the sum of its proper divisors (223336496).

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

203033140 is a wasteful number, since it uses less digits than its factorization.

203033140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151666 (or 10151664 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 203033140 is about 14248.9697873215. The cubic root of 203033140 is about 587.7450458082.

Adding to 203033140 its reverse (41330302), we get a palindrome (244363442).

It can be divided in two parts, 2030 and 33140, that multiplied together give a triangular number (67274200 = T₁₁₅₉₉).

The spelling of 203033140 in words is "two hundred three million, thirty-three thousand, one hundred forty".