204452102 has 4 divisors (see below), whose sum is σ = 306678156. Its totient is φ = 102226050.

The previous prime is 204452077. The next prime is 204452107. The reversal of 204452102 is 201254402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201254402 = 2 ⋅100627201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204452107) by changing a digit.

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 as a sum of consecutive naturals, namely, 51113024 + ... + 51113027.

It is an arithmetic number, because the mean of its divisors is an integer number (76669539).

Almost surely, 2^204452102 is an apocalyptic number.

204452102 is a deficient number, since it is larger than the sum of its proper divisors (102226054).

204452102 is a wasteful number, since it uses less digits than its factorization.

204452102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102226053.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 204452102 is about 14298.6748337040. The cubic root of 204452102 is about 589.1110831138. Note that the first 3 decimals are identical.

The spelling of 204452102 in words is "two hundred four million, four hundred fifty-two thousand, one hundred two".