205604102 has 8 divisors (see below), whose sum is σ = 336443112. Its totient is φ = 93456400.

The previous prime is 205604101. The next prime is 205604123. The reversal of 205604102 is 201406502.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205604101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4672799 + ... + 4672842.

It is an arithmetic number, because the mean of its divisors is an integer number (42055389).

Almost surely, 2^205604102 is an apocalyptic number.

205604102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

205604102 is a deficient number, since it is larger than the sum of its proper divisors (130839010).

205604102 is a wasteful number, since it uses less digits than its factorization.

205604102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345654.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 205604102 is about 14338.9017013159. The cubic root of 205604102 is about 590.2154742989.

The spelling of 205604102 in words is "two hundred five million, six hundred four thousand, one hundred two".