2520200205 has 12 divisors (see below), whose sum is σ = 4368347100. Its totient is φ = 1344106752.

The previous prime is 2520200197. The next prime is 2520200209. The reversal of 2520200205 is 5020020252.

It can be written as a sum of positive squares in 2 ways, for example, as 982070244 + 1538129961 = 31338^2 + 39219^2 .

It is not a de Polignac number, because 2520200205 - 2³ = 2520200197 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 (2520200209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28002180 + ... + 28002269.

It is an arithmetic number, because the mean of its divisors is an integer number (364028925).

Almost surely, 2^2520200205 is an apocalyptic number.

It is an amenable number.

2520200205 is a deficient number, since it is larger than the sum of its proper divisors (1848146895).

2520200205 is a wasteful number, since it uses less digits than its factorization.

2520200205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56004460 (or 56004457 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2520200205 is about 50201.5956419714. The cubic root of 2520200205 is about 1360.8544596243.

Adding to 2520200205 its reverse (5020020252), we get a palindrome (7540220457).

The spelling of 2520200205 in words is "two billion, five hundred twenty million, two hundred thousand, two hundred five".