205534036 has 6 divisors (see below), whose sum is σ = 359684570. Its totient is φ = 102767016.

The previous prime is 205534033. The next prime is 205534037. The reversal of 205534036 is 630435502.

It can be written as a sum of positive squares in only one way, i.e., 201356100 + 4177936 = 14190^2 + 2044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 205533995 and 205534013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205534031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25691751 + ... + 25691758.

Almost surely, 2^205534036 is an apocalyptic number.

It is an amenable number.

205534036 is a deficient number, since it is larger than the sum of its proper divisors (154150534).

205534036 is a wasteful number, since it uses less digits than its factorization.

205534036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51383513 (or 51383511 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 205534036 is about 14336.4582795054. The cubic root of 205534036 is about 590.1484219145.

Adding to 205534036 its reverse (630435502), we get a palindrome (835969538).

The spelling of 205534036 in words is "two hundred five million, five hundred thirty-four thousand, thirty-six".