2005520006 has 32 divisors (see below), whose sum is σ = 3603045888. Its totient is φ = 818579520.

The previous prime is 2005519993. The next prime is 2005520009. The reversal of 2005520006 is 6000255002.

It is a happy number.

It is a super-2 number, since 2×2005520006² = 8044220988932480072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2005520006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005520009) 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 15 ways as a sum of consecutive naturals, for example, 61661 + ... + 88391.

It is an arithmetic number, because the mean of its divisors is an integer number (112595184).

Almost surely, 2^2005520006 is an apocalyptic number.

2005520006 is a deficient number, since it is larger than the sum of its proper divisors (1597525882).

2005520006 is a wasteful number, since it uses less digits than its factorization.

2005520006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26996.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2005520006 is about 44783.0325681502. The cubic root of 2005520006 is about 1261.0791137533.

Adding to 2005520006 its reverse (6000255002), we get a palindrome (8005775008).

The spelling of 2005520006 in words is "two billion, five million, five hundred twenty thousand, six".