20222110101220 has 12 divisors (see below), whose sum is σ = 42466431212604. Its totient is φ = 8088844040480.

The previous prime is 20222110101217. The next prime is 20222110101233. The reversal of 20222110101220 is 2210101122202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7367934787236 + 12854175313984 = 2714394^2 + 3585272^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20222110101194 and 20222110101203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505552752511 + ... + 505552752550.

It is an arithmetic number, because the mean of its divisors is an integer number (3538869267717).

Almost surely, 2^{20222110101220} is an apocalyptic number.

20222110101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222110101220 is an abundant number, since it is smaller than the sum of its proper divisors (22244321111384).

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

20222110101220 is a wasteful number, since it uses less digits than its factorization.

20222110101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011105505070 (or 1011105505068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20222110101220 its reverse (2210101122202), we get a palindrome (22432211223422).

The spelling of 20222110101220 in words is "twenty trillion, two hundred twenty-two billion, one hundred ten million, one hundred one thousand, two hundred twenty".