204119997 has 8 divisors (see below), whose sum is σ = 272305440. Its totient is φ = 136007280.

The previous prime is 204119947. The next prime is 204120019. The reversal of 204119997 is 799911402.

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

It is not a de Polignac number, because 204119997 - 2⁶ = 204119933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204119947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11254 + ... + 23127.

It is an arithmetic number, because the mean of its divisors is an integer number (34038180).

Almost surely, 2^204119997 is an apocalyptic number.

It is an amenable number.

204119997 is a deficient number, since it is larger than the sum of its proper divisors (68185443).

204119997 is a wasteful number, since it uses less digits than its factorization.

204119997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36363.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 204119997 is about 14287.0569747587. The cubic root of 204119997 is about 588.7919329494.

The spelling of 204119997 in words is "two hundred four million, one hundred nineteen thousand, nine hundred ninety-seven".