20000220022222 has 16 divisors (see below), whose sum is σ = 32727929980032. Its totient is φ = 9090926540920.

The previous prime is 20000220022201. The next prime is 20000220022247. The reversal of 20000220022222 is 22222002200002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20000220022196 and 20000220022205.

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 7 ways as a sum of consecutive naturals, for example, 1616488 + ... + 6527899.

It is an arithmetic number, because the mean of its divisors is an integer number (2045495623752).

Almost surely, 2^{20000220022222} is an apocalyptic number.

20000220022222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20000220022222 is a deficient number, since it is larger than the sum of its proper divisors (12727709957810).

20000220022222 is a wasteful number, since it uses less digits than its factorization.

20000220022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256023.

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

Adding to 20000220022222 its reverse (22222002200002), we get a palindrome (42222222222224).

The spelling of 20000220022222 in words is "twenty trillion, two hundred twenty million, twenty-two thousand, two hundred twenty-two".