205013034 has 12 divisors (see below), whose sum is σ = 444194946. Its totient is φ = 68337672.

The previous prime is 205013027. The next prime is 205013051. The reversal of 205013034 is 430310502.

It can be written as a sum of positive squares in only one way, i.e., 148718025 + 56295009 = 12195^2 + 7503^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11389613 = 205013034 / (2 + 0 + 5 + 0 + 1 + 3 + 0 + 3 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 205012998 and 205013016.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5694789 + ... + 5694824.

Almost surely, 2^205013034 is an apocalyptic number.

205013034 is an abundant number, since it is smaller than the sum of its proper divisors (239181912).

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

205013034 is a wasteful number, since it uses less digits than its factorization.

205013034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11389621 (or 11389618 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 205013034 is about 14318.2762230654. The cubic root of 205013034 is about 589.6493501985.

Adding to 205013034 its reverse (430310502), we get a palindrome (635323536).

The spelling of 205013034 in words is "two hundred five million, thirteen thousand, thirty-four".