22020202220201 has 16 divisors (see below), whose sum is σ = 23400896257296. Its totient is φ = 20649114832896.

The previous prime is 22020202220183. The next prime is 22020202220209. The reversal of 22020202220201 is 10202220202022.

It can be written as a sum of positive squares in 8 ways, for example, as 3920716806400 + 18099485413801 = 1980080^2 + 4254349^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020202220201 - 2²² = 22020198025897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 22020202220201.

It is not an unprimeable number, because it can be changed into a prime (22020202220209) 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, 4058705 + ... + 7779041.

It is an arithmetic number, because the mean of its divisors is an integer number (1462556016081).

Almost surely, 2^{22020202220201} is an apocalyptic number.

It is an amenable number.

22020202220201 is a deficient number, since it is larger than the sum of its proper divisors (1380694037095).

22020202220201 is a wasteful number, since it uses less digits than its factorization.

22020202220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721628.

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

Adding to 22020202220201 its reverse (10202220202022), we get a palindrome (32222422422223).

The spelling of 22020202220201 in words is "twenty-two trillion, twenty billion, two hundred two million, two hundred twenty thousand, two hundred one".