2720056205 has 16 divisors (see below), whose sum is σ = 3277758960. Its totient is φ = 2166939648.

The previous prime is 2720056201. The next prime is 2720056211. The reversal of 2720056205 is 5026500272.

It can be written as a sum of positive squares in 8 ways, for example, as 249071524 + 2470984681 = 15782^2 + 49709^2 .

It is a cyclic number.

It is not a de Polignac number, because 2720056205 - 2² = 2720056201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720056201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1750709 + ... + 1752261.

It is an arithmetic number, because the mean of its divisors is an integer number (204859935).

Almost surely, 2^2720056205 is an apocalyptic number.

It is an amenable number.

2720056205 is a deficient number, since it is larger than the sum of its proper divisors (557702755).

2720056205 is a wasteful number, since it uses less digits than its factorization.

2720056205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2720056205 is about 52154.1580796776. The cubic root of 2720056205 is about 1395.9160241341.

Adding to 2720056205 its reverse (5026500272), we get a palindrome (7746556477).

The spelling of 2720056205 in words is "two billion, seven hundred twenty million, fifty-six thousand, two hundred five".