20202222204066 has 32 divisors (see below), whose sum is σ = 46177762867200. Its totient is φ = 5771906615376.

The previous prime is 20202222204041. The next prime is 20202222204067. The reversal of 20202222204066 is 66040222220202.

It is not an unprimeable number, because it can be changed into a prime (20202222204067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4968106 + ... + 8067621.

It is an arithmetic number, because the mean of its divisors is an integer number (1443055089600).

Almost surely, 2^{20202222204066} is an apocalyptic number.

20202222204066 is an abundant number, since it is smaller than the sum of its proper divisors (25975540663134).

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

20202222204066 is a wasteful number, since it uses less digits than its factorization.

20202222204066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13072638.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 20202222204066 its reverse (66040222220202), we get a palindrome (86242444424268).

The spelling of 20202222204066 in words is "twenty trillion, two hundred two billion, two hundred twenty-two million, two hundred four thousand, sixty-six".