2010219985 has 4 divisors (see below), whose sum is σ = 2412263988. Its totient is φ = 1608175984.

The previous prime is 2010219929. The next prime is 2010219989. The reversal of 2010219985 is 5899120102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5899120102 = 2 ⋅2949560051.

It can be written as a sum of positive squares in 2 ways, for example, as 449100864 + 1561119121 = 21192^2 + 39511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010219985 - 2²⁵ = 1976665553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010219989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201021994 + ... + 201022003.

It is an arithmetic number, because the mean of its divisors is an integer number (603065997).

Almost surely, 2^2010219985 is an apocalyptic number.

It is an amenable number.

2010219985 is a deficient number, since it is larger than the sum of its proper divisors (402044003).

2010219985 is an equidigital number, since it uses as much as digits as its factorization.

2010219985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402044002.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 2010219985 is about 44835.4768570604. The cubic root of 2010219985 is about 1262.0634671547.

The spelling of 2010219985 in words is "two billion, ten million, two hundred nineteen thousand, nine hundred eighty-five".