2005312210 has 16 divisors (see below), whose sum is σ = 3937704192. Its totient is φ = 729204400.

The previous prime is 2005312189. The next prime is 2005312219. The reversal of 2005312210 is 122135002.

It is not an unprimeable number, because it can be changed into a prime (2005312219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9114946 + ... + 9115165.

It is an arithmetic number, because the mean of its divisors is an integer number (246106512).

Almost surely, 2^2005312210 is an apocalyptic number.

2005312210 is a deficient number, since it is larger than the sum of its proper divisors (1932391982).

2005312210 is a wasteful number, since it uses less digits than its factorization.

2005312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18230129.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2005312210 is about 44780.7124775835. The cubic root of 2005312210 is about 1261.0355579265.

Adding to 2005312210 its reverse (122135002), we get a palindrome (2127447212).

The spelling of 2005312210 in words is "two billion, five million, three hundred twelve thousand, two hundred ten".