204342081 has 8 divisors (see below), whose sum is σ = 274867680. Its totient is φ = 135022272.

The previous prime is 204342079. The next prime is 204342107. The reversal of 204342081 is 180243402.

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

It is not a de Polignac number, because 204342081 - 2¹ = 204342079 is a prime.

It is a super-2 number, since 2×204342081² = 83511372134821122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204342001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301051 + ... + 301728.

It is an arithmetic number, because the mean of its divisors is an integer number (34358460).

Almost surely, 2^204342081 is an apocalyptic number.

It is an amenable number.

204342081 is a deficient number, since it is larger than the sum of its proper divisors (70525599).

204342081 is a wasteful number, since it uses less digits than its factorization.

204342081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602895.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 204342081 is about 14294.8270713570. The cubic root of 204342081 is about 589.0053921485.

Adding to 204342081 its reverse (180243402), we get a palindrome (384585483).

The spelling of 204342081 in words is "two hundred four million, three hundred forty-two thousand, eighty-one".