20201020222202 has 16 divisors (see below), whose sum is σ = 30373066192392. Its totient is φ = 10076673203520.

The previous prime is 20201020222169. The next prime is 20201020222261. The reversal of 20201020222202 is 20222202010202.

It can be written as a sum of positive squares in 4 ways, for example, as 14343027753961 + 5857992468241 = 3787219^2 + 2420329^2 .

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, 2736668 + ... + 6920360.

Almost surely, 2^{20201020222202} is an apocalyptic number.

20201020222202 is a deficient number, since it is larger than the sum of its proper divisors (10172045970190).

20201020222202 is a wasteful number, since it uses less digits than its factorization.

20201020222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189393.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20201020222202 its reverse (20222202010202), we get a palindrome (40423222232404).

The spelling of 20201020222202 in words is "twenty trillion, two hundred one billion, twenty million, two hundred twenty-two thousand, two hundred two".