20222000122120 has 16 divisors (see below), whose sum is σ = 45499500274860. Its totient is φ = 8088800048832.

The previous prime is 20222000122097. The next prime is 20222000122199. The reversal of 20222000122120 is 2122100022202.

It can be written as a sum of positive squares in 2 ways, for example, as 16517737896804 + 3704262225316 = 4064202^2 + 1924646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20222000122094 and 20222000122103.

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, 252775001487 + ... + 252775001566.

Almost surely, 2^{20222000122120} is an apocalyptic number.

20222000122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222000122120 is an abundant number, since it is smaller than the sum of its proper divisors (25277500152740).

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

20222000122120 is a wasteful number, since it uses less digits than its factorization.

20222000122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505550003064 (or 505550003060 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20222000122120 its reverse (2122100022202), we get a palindrome (22344100144322).

The spelling of 20222000122120 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-two thousand, one hundred twenty".