2015306205 has 32 divisors (see below), whose sum is σ = 3541276800. Its totient is φ = 970548480.

The previous prime is 2015306203. The next prime is 2015306213. The reversal of 2015306205 is 5026035102.

It is not a de Polignac number, because 2015306205 - 2¹ = 2015306203 is a prime.

It is a super-2 number, since 2×2015306205² = 8122918199823004050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015306203) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 16402 + ... + 65571.

It is an arithmetic number, because the mean of its divisors is an integer number (110664900).

Almost surely, 2^2015306205 is an apocalyptic number.

It is an amenable number.

2015306205 is a deficient number, since it is larger than the sum of its proper divisors (1525970595).

2015306205 is a wasteful number, since it uses less digits than its factorization.

2015306205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82141.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2015306205 is about 44892.1619550674. The cubic root of 2015306205 is about 1263.1269869416.

The spelling of 2015306205 in words is "two billion, fifteen million, three hundred six thousand, two hundred five".