2006220371 has 6 divisors (see below), whose sum is σ = 2131175580. Its totient is φ = 1888207136.

The previous prime is 2006220343. The next prime is 2006220373. The reversal of 2006220371 is 1730226002.

It is not a de Polignac number, because 2006220371 - 2¹⁴ = 2006203987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2006220373) 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 5 ways as a sum of consecutive naturals, for example, 3470681 + ... + 3471258.

It is an arithmetic number, because the mean of its divisors is an integer number (355195930).

Almost surely, 2^2006220371 is an apocalyptic number.

2006220371 is a deficient number, since it is larger than the sum of its proper divisors (124955209).

2006220371 is an equidigital number, since it uses as much as digits as its factorization.

2006220371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6941973 (or 6941956 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2006220371 is about 44790.8514207980. The cubic root of 2006220371 is about 1261.2258941194.

Adding to 2006220371 its reverse (1730226002), we get a palindrome (3736446373).

The spelling of 2006220371 in words is "two billion, six million, two hundred twenty thousand, three hundred seventy-one".