204033140 has 24 divisors (see below), whose sum is σ = 428810760. Its totient is φ = 81548288.

The previous prime is 204033127. The next prime is 204033143. The reversal of 204033140 is 41330402.

It can be written as a sum of positive squares in 4 ways, for example, as 20539024 + 183494116 = 4532^2 + 13546^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204033143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27776 + ... + 34344.

It is an arithmetic number, because the mean of its divisors is an integer number (17867115).

Almost surely, 2^204033140 is an apocalyptic number.

204033140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204033140 is an abundant number, since it is smaller than the sum of its proper divisors (224777620).

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

204033140 is a wasteful number, since it uses less digits than its factorization.

204033140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131 (or 8129 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 204033140 is about 14284.0169420230. The cubic root of 204033140 is about 588.7084069889.

Adding to 204033140 its reverse (41330402), we get a palindrome (245363542).

The spelling of 204033140 in words is "two hundred four million, thirty-three thousand, one hundred forty".