20002200222222 has 24 divisors (see below), whose sum is σ = 44509400495976. Its totient is φ = 6487200071856.

The previous prime is 20002200222211. The next prime is 20002200222253. The reversal of 20002200222222 is 22222200220002.

20002200222222 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 220 + 0 + 222 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20002200222195 and 20002200222204.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 15016666168 + ... + 15016667499.

It is an arithmetic number, because the mean of its divisors is an integer number (1854558353999).

Almost surely, 2^{20002200222222} is an apocalyptic number.

20002200222222 is an abundant number, since it is smaller than the sum of its proper divisors (24507200273754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002200222222 is a wasteful number, since it uses less digits than its factorization.

20002200222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30033333712 (or 30033333709 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20002200222222 its reverse (22222200220002), we get a palindrome (42224400442224).

The spelling of 20002200222222 in words is "twenty trillion, two billion, two hundred million, two hundred twenty-two thousand, two hundred twenty-two".