204787102 has 12 divisors (see below), whose sum is σ = 332628120. Its totient is φ = 94516968.

The previous prime is 204787081. The next prime is 204787123. The reversal of 204787102 is 201787402.

It is an interprime number because it is at equal distance from previous prime (204787081) and next prime (204787123).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302602 + ... + 303277.

It is an arithmetic number, because the mean of its divisors is an integer number (27719010).

Almost surely, 2^204787102 is an apocalyptic number.

204787102 is a deficient number, since it is larger than the sum of its proper divisors (127841018).

204787102 is a wasteful number, since it uses less digits than its factorization.

204787102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605907 (or 605894 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 204787102 is about 14310.3844113287. The cubic root of 204787102 is about 589.4326653981.

The spelling of 204787102 in words is "two hundred four million, seven hundred eighty-seven thousand, one hundred two".