204333421 has 8 divisors (see below), whose sum is σ = 219093120. Its totient is φ = 189878208.

The previous prime is 204333419. The next prime is 204333433. The reversal of 204333421 is 124333402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204333421 - 2¹ = 204333419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204333392 and 204333401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204333401) 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, 74731 + ... + 77416.

It is an arithmetic number, because the mean of its divisors is an integer number (27386640).

Almost surely, 2^204333421 is an apocalyptic number.

It is an amenable number.

204333421 is a deficient number, since it is larger than the sum of its proper divisors (14759699).

204333421 is a wasteful number, since it uses less digits than its factorization.

204333421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152243.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 204333421 is about 14294.5241613703. The cubic root of 204333421 is about 588.9970713648.

Adding to 204333421 its reverse (124333402), we get a palindrome (328666823).

The spelling of 204333421 in words is "two hundred four million, three hundred thirty-three thousand, four hundred twenty-one".