20012000022222 has 32 divisors (see below), whose sum is σ = 44105159269248. Its totient is φ = 6014339898336.

The previous prime is 20012000022221. The next prime is 20012000022233. The reversal of 20012000022222 is 22222000021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012000022221) 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, 2983300168 + ... + 2983306875.

It is an arithmetic number, because the mean of its divisors is an integer number (1378286227164).

Almost surely, 2^{20012000022222} is an apocalyptic number.

20012000022222 is an abundant number, since it is smaller than the sum of its proper divisors (24093159247026).

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

20012000022222 is a wasteful number, since it uses less digits than its factorization.

20012000022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5966607104.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20012000022222 its reverse (22222000021002), we get a palindrome (42234000043224).

The spelling of 20012000022222 in words is "twenty trillion, twelve billion, twenty-two thousand, two hundred twenty-two".