20220221020122 has 48 divisors (see below), whose sum is σ = 44990945574120. Its totient is φ = 6559283328000.

The previous prime is 20220221020117. The next prime is 20220221020141. The reversal of 20220221020122 is 22102012202202.

20220221020122 is a `hidden beast` number, since 2 + 0 + 220 + 221 + 0 + 201 + 22 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12905689817601 + 7314531202521 = 3592449^2 + 2704539^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20220221020095 and 20220221020104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33866997 + ... + 34458872.

Almost surely, 2^{20220221020122} is an apocalyptic number.

20220221020122 is an abundant number, since it is smaller than the sum of its proper divisors (24770724553998).

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

20220221020122 is a wasteful number, since it uses less digits than its factorization.

20220221020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68326319 (or 68326316 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20220221020122 its reverse (22102012202202), we get a palindrome (42322233222324).

The spelling of 20220221020122 in words is "twenty trillion, two hundred twenty billion, two hundred twenty-one million, twenty thousand, one hundred twenty-two".