20222202020201 has 4 divisors (see below), whose sum is σ = 20267240332500. Its totient is φ = 20177163707904.

The previous prime is 20222202020179. The next prime is 20222202020213. The reversal of 20222202020201 is 10202020222202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17713795418176 + 2508406602025 = 4208776^2 + 1583795^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222202020201 - 2¹⁰ = 20222202019177 is a prime.

It is a super-2 number, since 2×20222202020201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20222202020201.

It is not an unprimeable number, because it can be changed into a prime (20222202020221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22519155476 + ... + 22519156373.

It is an arithmetic number, because the mean of its divisors is an integer number (5066810083125).

Almost surely, 2^{20222202020201} is an apocalyptic number.

It is an amenable number.

20222202020201 is a deficient number, since it is larger than the sum of its proper divisors (45038312299).

20222202020201 is an equidigital number, since it uses as much as digits as its factorization.

20222202020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45038312298.

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

Adding to 20222202020201 its reverse (10202020222202), we get a palindrome (30424222242403).

The spelling of 20222202020201 in words is "twenty trillion, two hundred twenty-two billion, two hundred two million, twenty thousand, two hundred one".