2006122636 has 48 divisors (see below), whose sum is σ = 4077944640. Its totient is φ = 845752320.

The previous prime is 2006122609. The next prime is 2006122637. The reversal of 2006122636 is 6362216002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2006122637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941220 + ... + 943348.

It is an arithmetic number, because the mean of its divisors is an integer number (84957180).

Almost surely, 2^2006122636 is an apocalyptic number.

It is an amenable number.

2006122636 is an abundant number, since it is smaller than the sum of its proper divisors (2071822004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2006122636 is a wasteful number, since it uses less digits than its factorization.

2006122636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2006122636 is about 44789.7603923040. The cubic root of 2006122636 is about 1261.2054131665.

Adding to 2006122636 its reverse (6362216002), we get a palindrome (8368338638).

The spelling of 2006122636 in words is "two billion, six million, one hundred twenty-two thousand, six hundred thirty-six".