20011120202222 has 8 divisors (see below), whose sum is σ = 30021048928272. Its totient is φ = 10004103892800.

The previous prime is 20011120202219. The next prime is 20011120202261. The reversal of 20011120202222 is 22220202111002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20011120202222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728086979 + ... + 728114462.

It is an arithmetic number, because the mean of its divisors is an integer number (3752631116034).

Almost surely, 2^{20011120202222} is an apocalyptic number.

20011120202222 is a deficient number, since it is larger than the sum of its proper divisors (10009928726050).

20011120202222 is a wasteful number, since it uses less digits than its factorization.

20011120202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456208314.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20011120202222 its reverse (22220202111002), we get a palindrome (42231322313224).

The spelling of 20011120202222 in words is "twenty trillion, eleven billion, one hundred twenty million, two hundred two thousand, two hundred twenty-two".