2000020185 has 12 divisors (see below), whose sum is σ = 3466701732. Its totient is φ = 1066677408.

The previous prime is 2000020153. The next prime is 2000020241. The reversal of 2000020185 is 5810200002.

It can be written as a sum of positive squares in 2 ways, for example, as 255872016 + 1744148169 = 15996^2 + 41763^2 .

It is not a de Polignac number, because 2000020185 - 2⁵ = 2000020153 is a prime.

It is a super-3 number, since 3×2000020185³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 22222402 + ... + 22222491.

It is an arithmetic number, because the mean of its divisors is an integer number (288891811).

Almost surely, 2^2000020185 is an apocalyptic number.

It is an amenable number.

2000020185 is a deficient number, since it is larger than the sum of its proper divisors (1466681547).

2000020185 is a wasteful number, since it uses less digits than its factorization.

2000020185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44444904 (or 44444901 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2000020185 is about 44721.5852245870. The cubic root of 2000020185 is about 1259.9252884650.

Adding to 2000020185 its reverse (5810200002), we get a palindrome (7810220187).

The spelling of 2000020185 in words is "two billion, twenty thousand, one hundred eighty-five".