2620002066 has 16 divisors (see below), whose sum is σ = 5716368288. Its totient is φ = 793940000.

The previous prime is 2620002061. The next prime is 2620002089. The reversal of 2620002066 is 6602000262.

It is not an unprimeable number, because it can be changed into a prime (2620002061) 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 7 ways as a sum of consecutive naturals, for example, 19848435 + ... + 19848566.

It is an arithmetic number, because the mean of its divisors is an integer number (357273018).

Almost surely, 2^2620002066 is an apocalyptic number.

2620002066 is an abundant number, since it is smaller than the sum of its proper divisors (3096366222).

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

2620002066 is a wasteful number, since it uses less digits than its factorization.

2620002066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39697017.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2620002066 is about 51185.9557495999. The cubic root of 2620002066 is about 1378.5860449229.

The spelling of 2620002066 in words is "two billion, six hundred twenty million, two thousand, sixty-six".