204210414 has 24 divisors (see below), whose sum is σ = 447021120. Its totient is φ = 67367808.

The previous prime is 204210407. The next prime is 204210427. The reversal of 204210414 is 414012402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56734 + ... + 60225.

It is an arithmetic number, because the mean of its divisors is an integer number (18625880).

Almost surely, 2^204210414 is an apocalyptic number.

204210414 is an abundant number, since it is smaller than the sum of its proper divisors (242810706).

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

204210414 is a wasteful number, since it uses less digits than its factorization.

204210414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117064 (or 117061 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 204210414 is about 14290.2209220152. The cubic root of 204210414 is about 588.8788572134.

Adding to 204210414 its reverse (414012402), we get a palindrome (618222816).

The spelling of 204210414 in words is "two hundred four million, two hundred ten thousand, four hundred fourteen".