2006620064 has 12 divisors (see below), whose sum is σ = 3950533314. Its totient is φ = 1003310016.

The previous prime is 2006620013. The next prime is 2006620093. The reversal of 2006620064 is 4600266002.

It can be written as a sum of positive squares in only one way, i.e., 1685923600 + 320696464 = 41060^2 + 17908^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 31353407 + ... + 31353470.

Almost surely, 2^2006620064 is an apocalyptic number.

It is an amenable number.

2006620064 is a deficient number, since it is larger than the sum of its proper divisors (1943913250).

2006620064 is an equidigital number, since it uses as much as digits as its factorization.

2006620064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62706887 (or 62706879 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2006620064 is about 44795.3129691043. The cubic root of 2006620064 is about 1261.3096452525.

Adding to 2006620064 its reverse (4600266002), we get a palindrome (6606886066).

The spelling of 2006620064 in words is "two billion, six million, six hundred twenty thousand, sixty-four".