2620330205 has 4 divisors (see below), whose sum is σ = 3144396252. Its totient is φ = 2096264160.

The previous prime is 2620330201. The next prime is 2620330217. The reversal of 2620330205 is 5020330262.

It is a happy number.

2620330205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 755040484 + 1865289721 = 27478^2 + 43189^2 .

It is not a de Polignac number, because 2620330205 - 2² = 2620330201 is a prime.

It is a super-2 number, since 2×2620330205² = 13732260766470684050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620330201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262033016 + ... + 262033025.

It is an arithmetic number, because the mean of its divisors is an integer number (786099063).

Almost surely, 2^2620330205 is an apocalyptic number.

It is an amenable number.

2620330205 is a deficient number, since it is larger than the sum of its proper divisors (524066047).

2620330205 is an equidigital number, since it uses as much as digits as its factorization.

2620330205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524066046.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2620330205 is about 51189.1610109015. The cubic root of 2620330205 is about 1378.6435956360.

Adding to 2620330205 its reverse (5020330262), we get a palindrome (7640660467).

The spelling of 2620330205 in words is "two billion, six hundred twenty million, three hundred thirty thousand, two hundred five".