20001122120010 has 32 divisors (see below), whose sum is σ = 48080493283392. Its totient is φ = 5324988099200.

The previous prime is 20001122119961. The next prime is 20001122120011. The reversal of 20001122120010 is 1002122110002.

It is not an unprimeable number, because it can be changed into a prime (20001122120011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 540260316 + ... + 540297335.

It is an arithmetic number, because the mean of its divisors is an integer number (1502515415106).

Almost surely, 2^{20001122120010} is an apocalyptic number.

20001122120010 is an abundant number, since it is smaller than the sum of its proper divisors (28079371163382).

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

20001122120010 is a wasteful number, since it uses less digits than its factorization.

20001122120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080558278.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20001122120010 its reverse (1002122110002), we get a palindrome (21003244230012).

The spelling of 20001122120010 in words is "twenty trillion, one billion, one hundred twenty-two million, one hundred twenty thousand, ten".