205029492 has 12 divisors (see below), whose sum is σ = 478402176. Its totient is φ = 68343160.

The previous prime is 205029491. The next prime is 205029499. The reversal of 205029492 is 294920502.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205029491) 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, 8542884 + ... + 8542907.

It is an arithmetic number, because the mean of its divisors is an integer number (39866848).

Almost surely, 2^205029492 is an apocalyptic number.

It is an amenable number.

205029492 is an abundant number, since it is smaller than the sum of its proper divisors (273372684).

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

205029492 is a wasteful number, since it uses less digits than its factorization.

205029492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17085798 (or 17085796 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 205029492 is about 14318.8509315517. The cubic root of 205029492 is about 589.6651283649.

Adding to 205029492 its reverse (294920502), we get a palindrome (499949994).

The spelling of 205029492 in words is "two hundred five million, twenty-nine thousand, four hundred ninety-two".