205020412 has 12 divisors (see below), whose sum is σ = 377669320. Its totient is φ = 97114896.

The previous prime is 205020383. The next prime is 205020421. The reversal of 205020412 is 214020502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348743 + ... + 1348894.

Almost surely, 2^205020412 is an apocalyptic number.

It is an amenable number.

205020412 is a deficient number, since it is larger than the sum of its proper divisors (172648908).

205020412 is a wasteful number, since it uses less digits than its factorization.

205020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697660 (or 2697658 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 205020412 is about 14318.5338634931. The cubic root of 205020412 is about 589.6564235385.

Adding to 205020412 its reverse (214020502), we get a palindrome (419040914).

The spelling of 205020412 in words is "two hundred five million, twenty thousand, four hundred twelve".