20202222202 has 16 divisors (see below), whose sum is σ = 30609685512. Its totient is φ = 9999035200.

The previous prime is 20202222193. The next prime is 20202222217. The reversal of 20202222202 is 20222220202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19877898121 + 324324081 = 140989^2 + 18009^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560468 + ... + 1573360.

Almost surely, 2^20202222202 is an apocalyptic number.

20202222202 is a deficient number, since it is larger than the sum of its proper divisors (10407463310).

20202222202 is a wasteful number, since it uses less digits than its factorization.

20202222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20753.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20202222202 its reverse (20222220202), we get a palindrome (40424442404).

It can be divided in two parts, 2020 and 2222202, that added together give a palindrome (2224222).

The spelling of 20202222202 in words is "twenty billion, two hundred two million, two hundred twenty-two thousand, two hundred two".