20422465505066 has 16 divisors (see below), whose sum is σ = 32435816220360. Its totient is φ = 9610531791360.

The previous prime is 20422465505023. The next prime is 20422465505131. The reversal of 20422465505066 is 66050556422402.

It can be written as a sum of positive squares in 4 ways, for example, as 14151553041025 + 6270912464041 = 3761855^2 + 2504179^2 .

It is a super-2 number, since 2×20422465505066² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20422465505066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7971086 + ... + 10216806.

Almost surely, 2^{20422465505066} is an apocalyptic number.

20422465505066 is a deficient number, since it is larger than the sum of its proper divisors (12013350715294).

20422465505066 is a wasteful number, since it uses less digits than its factorization.

20422465505066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513209.

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 20422465505066 in words is "twenty trillion, four hundred twenty-two billion, four hundred sixty-five million, five hundred five thousand, sixty-six".