205142024 has 32 divisors (see below), whose sum is σ = 400521240. Its totient is φ = 98419200.

The previous prime is 205142017. The next prime is 205142029. The reversal of 205142024 is 420241502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27772900 + 177369124 = 5270^2 + 13318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 205141987 and 205142005.

It is not an unprimeable number, because it can be changed into a prime (205142029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14882 + ... + 25134.

Almost surely, 2^205142024 is an apocalyptic number.

It is an amenable number.

205142024 is a deficient number, since it is larger than the sum of its proper divisors (195379216).

205142024 is a wasteful number, since it uses less digits than its factorization.

205142024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361 (or 10357 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 205142024 is about 14322.7798977712. The cubic root of 205142024 is about 589.7729893678.

Adding to 205142024 its reverse (420241502), we get a palindrome (625383526).

The spelling of 205142024 in words is "two hundred five million, one hundred forty-two thousand, twenty-four".