204421132 has 6 divisors (see below), whose sum is σ = 357736988. Its totient is φ = 102210564.

The previous prime is 204421109. The next prime is 204421153. The reversal of 204421132 is 231124402.

It is a super-2 number, since 2×204421132² = 83575998416322848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552638 + ... + 25552645.

Almost surely, 2^204421132 is an apocalyptic number.

It is an amenable number.

204421132 is a deficient number, since it is larger than the sum of its proper divisors (153315856).

204421132 is a wasteful number, since it uses less digits than its factorization.

204421132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51105287 (or 51105285 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 204421132 is about 14297.5918251991. The cubic root of 204421132 is about 589.0813358179.

Adding to 204421132 its reverse (231124402), we get a palindrome (435545534).

The spelling of 204421132 in words is "two hundred four million, four hundred twenty-one thousand, one hundred thirty-two".