20200120221222 has 48 divisors (see below), whose sum is σ = 45618320219472. Its totient is φ = 6699193814880.

The previous prime is 20200120221181. The next prime is 20200120221233. The reversal of 20200120221222 is 22212202100202.

20200120221222 is a `hidden beast` number, since 2 + 0 + 200 + 1 + 20 + 221 + 222 = 666.

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 = 20200120221195 and 20200120221204.

It is a congruent number.

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, 105396729 + ... + 105588212.

It is an arithmetic number, because the mean of its divisors is an integer number (950381671239).

Almost surely, 2^{20200120221222} is an apocalyptic number.

20200120221222 is an abundant number, since it is smaller than the sum of its proper divisors (25418199998250).

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

20200120221222 is a wasteful number, since it uses less digits than its factorization.

20200120221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210985155 (or 210985143 counting only the distinct ones).

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

Adding to 20200120221222 its reverse (22212202100202), we get a palindrome (42412322321424).

The spelling of 20200120221222 in words is "twenty trillion, two hundred billion, one hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".