20002222220222 has 64 divisors (see below), whose sum is σ = 33660389016576. Its totient is φ = 8835480000000.

The previous prime is 20002222220159. The next prime is 20002222220231. The reversal of 20002222220222 is 22202222220002.

It is a junction number, because it is equal to n+sod(n) for n = 20002222220194 and 20002222220203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2200217897 + ... + 2200226987.

It is an arithmetic number, because the mean of its divisors is an integer number (525943578384).

Almost surely, 2^{20002222220222} is an apocalyptic number.

20002222220222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002222220222 is a deficient number, since it is larger than the sum of its proper divisors (13658166796354).

20002222220222 is a wasteful number, since it uses less digits than its factorization.

20002222220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18417.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20002222220222 its reverse (22202222220002), we get a palindrome (42204444440224).

It can be divided in two parts, 2000 and 2222220222, that added together give a palindrome (2222222222).

The spelling of 20002222220222 in words is "twenty trillion, two billion, two hundred twenty-two million, two hundred twenty thousand, two hundred twenty-two".