204232420 has 48 divisors (see below), whose sum is σ = 491597568. Its totient is φ = 69816960.

The previous prime is 204232409. The next prime is 204232487. The reversal of 204232420 is 24232402.

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 15 ways as a sum of consecutive naturals, for example, 50265 + ... + 54175.

It is an arithmetic number, because the mean of its divisors is an integer number (10241616).

Almost surely, 2^204232420 is an apocalyptic number.

204232420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204232420 is an abundant number, since it is smaller than the sum of its proper divisors (287365148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204232420 is a wasteful number, since it uses less digits than its factorization.

204232420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300 (or 4298 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 204232420 is about 14290.9908683758. The cubic root of 204232420 is about 588.9000092569.

Adding to 204232420 its reverse (24232402), we get a palindrome (228464822).

The spelling of 204232420 in words is "two hundred four million, two hundred thirty-two thousand, four hundred twenty".