20122202222001 has 16 divisors (see below), whose sum is σ = 32520730864320. Its totient is φ = 12195274073760.

The previous prime is 20122202221999. The next prime is 20122202222011. The reversal of 20122202222001 is 10022220222102.

20122202222001 is a `hidden beast` number, since 20 + 1 + 2 + 220 + 222 + 200 + 1 = 666.

It is not a de Polignac number, because 20122202222001 - 2¹ = 20122202221999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122202222011) 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, 33875761020 + ... + 33875761613.

It is an arithmetic number, because the mean of its divisors is an integer number (2032545679020).

Almost surely, 2^{20122202222001} is an apocalyptic number.

It is an amenable number.

20122202222001 is a deficient number, since it is larger than the sum of its proper divisors (12398528642319).

20122202222001 is a wasteful number, since it uses less digits than its factorization.

20122202222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67751522653 (or 67751522647 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20122202222001 its reverse (10022220222102), we get a palindrome (30144422444103).

The spelling of 20122202222001 in words is "twenty trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty-two thousand, one".