204240141 has 24 divisors (see below), whose sum is σ = 339243840. Its totient is φ = 115986816.

The previous prime is 204240131. The next prime is 204240149. The reversal of 204240141 is 141042402.

It is not a de Polignac number, because 204240141 - 2⁵ = 204240109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204240149) 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 23 ways as a sum of consecutive naturals, for example, 325 + ... + 20213.

It is an arithmetic number, because the mean of its divisors is an integer number (14135160).

Almost surely, 2^204240141 is an apocalyptic number.

204240141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

204240141 is a deficient number, since it is larger than the sum of its proper divisors (135003699).

204240141 is a wasteful number, since it uses less digits than its factorization.

204240141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20065 (or 20062 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 204240141 is about 14291.2610010454. The cubic root of 204240141 is about 588.9074302787.

Adding to 204240141 its reverse (141042402), we get a palindrome (345282543).

The spelling of 204240141 in words is "two hundred four million, two hundred forty thousand, one hundred forty-one".