32013405205 has 12 divisors (see below), whose sum is σ = 38639608740. Its totient is φ = 25462566272.

The previous prime is 32013405173. The next prime is 32013405227. The reversal of 32013405205 is 50250431023.

It can be written as a sum of positive squares in 6 ways, for example, as 8762644881 + 23250760324 = 93609^2 + 152482^2 .

It is not a de Polignac number, because 32013405205 - 2⁵ = 32013405173 is a prime.

It is a super-2 number, since 2×32013405205² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32013405205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42681 + ... + 256609.

It is an arithmetic number, because the mean of its divisors is an integer number (3219967395).

Almost surely, 2^32013405205 is an apocalyptic number.

It is an amenable number.

32013405205 is a deficient number, since it is larger than the sum of its proper divisors (6626203535).

32013405205 is an equidigital number, since it uses as much as digits as its factorization.

32013405205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214280 (or 214107 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 32013405205 its reverse (50250431023), we get a palindrome (82263836228).

The spelling of 32013405205 in words is "thirty-two billion, thirteen million, four hundred five thousand, two hundred five".