20022022222221 has 8 divisors (see below), whose sum is σ = 26696062552320. Its totient is φ = 13347998353472.

The previous prime is 20022022222217. The next prime is 20022022222231. The reversal of 20022022222221 is 12222222022002.

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

It is a cyclic number.

It is not a de Polignac number, because 20022022222221 - 2² = 20022022222217 is a prime.

It is a super-2 number, since 2×20022022222221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022022222201) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 923676 + ... + 6395093.

It is an arithmetic number, because the mean of its divisors is an integer number (3337007819040).

Almost surely, 2^{20022022222221} is an apocalyptic number.

It is an amenable number.

20022022222221 is a deficient number, since it is larger than the sum of its proper divisors (6674040330099).

20022022222221 is an equidigital number, since it uses as much as digits as its factorization.

20022022222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8230675.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20022022222221 its reverse (12222222022002), we get a palindrome (32244244244223).

The spelling of 20022022222221 in words is "twenty trillion, twenty-two billion, twenty-two million, two hundred twenty-two thousand, two hundred twenty-one".