204021334 has 16 divisors (see below), whose sum is σ = 335192256. Its totient is φ = 92365000.

The previous prime is 204021329. The next prime is 204021347. The reversal of 204021334 is 433120402.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12952 + ... + 23995.

It is an arithmetic number, because the mean of its divisors is an integer number (20949516).

Almost surely, 2^204021334 is an apocalyptic number.

204021334 is a deficient number, since it is larger than the sum of its proper divisors (131170922).

204021334 is a wasteful number, since it uses less digits than its factorization.

204021334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37211.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 204021334 is about 14283.6036769437. The cubic root of 204021334 is about 588.6970519291.

Adding to 204021334 its reverse (433120402), we get a palindrome (637141736).

It can be divided in two parts, 20402 and 1334, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 204021334 in words is "two hundred four million, twenty-one thousand, three hundred thirty-four".