205142232 has 16 divisors (see below), whose sum is σ = 512855640. Its totient is φ = 68380736.

The previous prime is 205142227. The next prime is 205142237. The reversal of 205142232 is 232241502.

It is an interprime number because it is at equal distance from previous prime (205142227) and next prime (205142237).

It is a junction number, because it is equal to n+sod(n) for n = 205142199 and 205142208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205142237) 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 3 ways as a sum of consecutive naturals, for example, 4273773 + ... + 4273820.

Almost surely, 2^205142232 is an apocalyptic number.

It is an amenable number.

205142232 is an abundant number, since it is smaller than the sum of its proper divisors (307713408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205142232 is a wasteful number, since it uses less digits than its factorization.

205142232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8547602 (or 8547598 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 205142232 is about 14322.7871589296. The cubic root of 205142232 is about 589.7731886976.

Adding to 205142232 its reverse (232241502), we get a palindrome (437383734).

The spelling of 205142232 in words is "two hundred five million, one hundred forty-two thousand, two hundred thirty-two".