205325315034 has 32 divisors (see below), whose sum is σ = 469343932416. Its totient is φ = 58660759920.

The previous prime is 205325315009. The next prime is 205325315057. The reversal of 205325315034 is 430513523502.

It is a super-2 number, since 2×205325315034² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 205325314986 and 205325315004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580639 + ... + 864749.

It is an arithmetic number, because the mean of its divisors is an integer number (14666997888).

Almost surely, 2^205325315034 is an apocalyptic number.

205325315034 is an abundant number, since it is smaller than the sum of its proper divisors (264018617382).

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

205325315034 is a wasteful number, since it uses less digits than its factorization.

205325315034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301330.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 205325315034 its reverse (430513523502), we get a palindrome (635838838536).

The spelling of 205325315034 in words is "two hundred five billion, three hundred twenty-five million, three hundred fifteen thousand, thirty-four".