205013126 has 8 divisors (see below), whose sum is σ = 308655264. Its totient is φ = 102128040.

The previous prime is 205013119. The next prime is 205013143. The reversal of 205013126 is 621310502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 205013098 and 205013107.

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, 188585 + ... + 189668.

It is an arithmetic number, because the mean of its divisors is an integer number (38581908).

Almost surely, 2^205013126 is an apocalyptic number.

205013126 is a deficient number, since it is larger than the sum of its proper divisors (103642138).

205013126 is a wasteful number, since it uses less digits than its factorization.

205013126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378526.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 205013126 is about 14318.2794357423. The cubic root of 205013126 is about 589.6494384006.

Adding to 205013126 its reverse (621310502), we get a palindrome (826323628).

The spelling of 205013126 in words is "two hundred five million, thirteen thousand, one hundred twenty-six".