204020384 has 12 divisors (see below), whose sum is σ = 401665194. Its totient is φ = 102010176.

The previous prime is 204020381. The next prime is 204020413. The reversal of 204020384 is 483020402.

It can be written as a sum of positive squares in only one way, i.e., 116035984 + 87984400 = 10772^2 + 9380^2 .

It is not an unprimeable number, because it can be changed into a prime (204020381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187787 + ... + 3187850.

Almost surely, 2^204020384 is an apocalyptic number.

It is an amenable number.

204020384 is a deficient number, since it is larger than the sum of its proper divisors (197644810).

204020384 is an equidigital number, since it uses as much as digits as its factorization.

204020384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6375647 (or 6375639 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 204020384 is about 14283.5704219918. The cubic root of 204020384 is about 588.6961381961.

Adding to 204020384 its reverse (483020402), we get a palindrome (687040786).

The spelling of 204020384 in words is "two hundred four million, twenty thousand, three hundred eighty-four".