2010239705 has 4 divisors (see below), whose sum is σ = 2412287652. Its totient is φ = 1608191760.

The previous prime is 2010239701. The next prime is 2010239713. The reversal of 2010239705 is 5079320102.

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 639685264 + 1370554441 = 25292^2 + 37021^2 .

It is not a de Polignac number, because 2010239705 - 2² = 2010239701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010239701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201023966 + ... + 201023975.

It is an arithmetic number, because the mean of its divisors is an integer number (603071913).

Almost surely, 2^2010239705 is an apocalyptic number.

It is an amenable number.

2010239705 is a deficient number, since it is larger than the sum of its proper divisors (402047947).

2010239705 is an equidigital number, since it uses as much as digits as its factorization.

2010239705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402047946.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 2010239705 is about 44835.6967716573. The cubic root of 2010239705 is about 1262.0675940347.

Adding to 2010239705 its reverse (5079320102), we get a palindrome (7089559807).

The spelling of 2010239705 in words is "two billion, ten million, two hundred thirty-nine thousand, seven hundred five".