20622064220066 has 16 divisors (see below), whose sum is σ = 31518685722744. Its totient is φ = 10115859671424.

The previous prime is 20622064220039. The next prime is 20622064220071. The reversal of 20622064220066 is 66002246022602.

It can be written as a sum of positive squares in 4 ways, for example, as 16367518571041 + 4254545649025 = 4045679^2 + 2062655^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4279265 + ... + 7717268.

Almost surely, 2^{20622064220066} is an apocalyptic number.

20622064220066 is a deficient number, since it is larger than the sum of its proper divisors (10896621502678).

20622064220066 is a wasteful number, since it uses less digits than its factorization.

20622064220066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12012805.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 20622064220066 in words is "twenty trillion, six hundred twenty-two billion, sixty-four million, two hundred twenty thousand, sixty-six".