20201122222200 has 144 divisors (see below), whose sum is σ = 68797625130000. Its totient is φ = 5311093132800.

The previous prime is 20201122222199. The next prime is 20201122222231. The reversal of 20201122222200 is 222222110202.

20201122222200 is a `hidden beast` number, since 20 + 201 + 1 + 2 + 222 + 220 + 0 = 666.

20201122222200 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 78906325 + ... + 79161924.

It is an arithmetic number, because the mean of its divisors is an integer number (477761285625).

Almost surely, 2^{20201122222200} is an apocalyptic number.

20201122222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201122222200 is an abundant number, since it is smaller than the sum of its proper divisors (48596502907800).

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

20201122222200 is a wasteful number, since it uses less digits than its factorization.

20201122222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158068342 (or 158068330 counting only the distinct ones).

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

Adding to 20201122222200 its reverse (222222110202), we get a palindrome (20423344332402).

The spelling of 20201122222200 in words is "twenty trillion, two hundred one billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred".