200120122022022 has 128 divisors (see below), whose sum is σ = 466077005844480. Its totient is φ = 63568374186240.

The previous prime is 200120122021969. The next prime is 200120122022027. The reversal of 200120122022022 is 220220221021002.

200120122022022 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 201 + 220 + 220 + 22 = 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 = 200120122021986 and 200120122022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120122022027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 311141508 + ... + 311784024.

It is an arithmetic number, because the mean of its divisors is an integer number (3641226608160).

Almost surely, 2^{200120122022022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200120122022022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233038502922240).

200120122022022 is an abundant number, since it is smaller than the sum of its proper divisors (265956883822458).

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

200120122022022 is a wasteful number, since it uses less digits than its factorization.

200120122022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645403 (or 645397 counting only the distinct ones).

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

Adding to 200120122022022 its reverse (220220221021002), we get a palindrome (420340343043024).

The spelling of 200120122022022 in words is "two hundred trillion, one hundred twenty billion, one hundred twenty-two million, twenty-two thousand, twenty-two".