20020221011222 has 8 divisors (see below), whose sum is σ = 30030353317272. Its totient is φ = 10010103238800.

The previous prime is 20020221011221. The next prime is 20020221011251. The reversal of 20020221011222 is 22211012202002.

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 20020221011222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020221011221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983897 + ... + 6403787.

It is an arithmetic number, because the mean of its divisors is an integer number (3753794164659).

Almost surely, 2^{20020221011222} is an apocalyptic number.

20020221011222 is a deficient number, since it is larger than the sum of its proper divisors (10010132306050).

20020221011222 is a wasteful number, since it uses less digits than its factorization.

20020221011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266814.

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

Adding to 20020221011222 its reverse (22211012202002), we get a palindrome (42231233213224).

The spelling of 20020221011222 in words is "twenty trillion, twenty billion, two hundred twenty-one million, eleven thousand, two hundred twenty-two".