204219086 has 4 divisors (see below), whose sum is σ = 306328632. Its totient is φ = 102109542.

The previous prime is 204219077. The next prime is 204219091. The reversal of 204219086 is 680912402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51054770 + ... + 51054773.

It is an arithmetic number, because the mean of its divisors is an integer number (76582158).

Almost surely, 2^204219086 is an apocalyptic number.

204219086 is a deficient number, since it is larger than the sum of its proper divisors (102109546).

204219086 is a wasteful number, since it uses less digits than its factorization.

204219086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102109545.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 204219086 is about 14290.5243430743. The cubic root of 204219086 is about 588.8871928725.

The spelling of 204219086 in words is "two hundred four million, two hundred nineteen thousand, eighty-six".