204140063 has 16 divisors (see below), whose sum is σ = 222956640. Its totient is φ = 186772608.

The previous prime is 204140023. The next prime is 204140081. The reversal of 204140063 is 360041402.

It is a happy number.

It is not a de Polignac number, because 204140063 - 2⁸ = 204139807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204140023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181220 + ... + 182342.

It is an arithmetic number, because the mean of its divisors is an integer number (13934790).

Almost surely, 2^204140063 is an apocalyptic number.

204140063 is a deficient number, since it is larger than the sum of its proper divisors (18816577).

204140063 is an equidigital number, since it uses as much as digits as its factorization.

204140063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 204140063 is about 14287.7592014983. The cubic root of 204140063 is about 588.8112260319.

Adding to 204140063 its reverse (360041402), we get a palindrome (564181465).

The spelling of 204140063 in words is "two hundred four million, one hundred forty thousand, sixty-three".