204112630 has 16 divisors (see below), whose sum is σ = 386740080. Its totient is φ = 77347872.

The previous prime is 204112613. The next prime is 204112631. The reversal of 204112630 is 36211402.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 204112598 and 204112607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204112631) 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 in 7 ways as a sum of consecutive naturals, for example, 536949 + ... + 537328.

It is an arithmetic number, because the mean of its divisors is an integer number (24171255).

Almost surely, 2^204112630 is an apocalyptic number.

204112630 is a deficient number, since it is larger than the sum of its proper divisors (182627450).

204112630 is a wasteful number, since it uses less digits than its factorization.

204112630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074303.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 204112630 is about 14286.7991516644. The cubic root of 204112630 is about 588.7848493998.

The spelling of 204112630 in words is "two hundred four million, one hundred twelve thousand, six hundred thirty".