20001022110222 has 16 divisors (see below), whose sum is σ = 42355105645392. Its totient is φ = 6274830465920.

The previous prime is 20001022110133. The next prime is 20001022110227. The reversal of 20001022110222 is 22201122010002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001022110227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98044225929 + ... + 98044226132.

It is an arithmetic number, because the mean of its divisors is an integer number (2647194102837).

Almost surely, 2^{20001022110222} is an apocalyptic number.

20001022110222 is an abundant number, since it is smaller than the sum of its proper divisors (22354083535170).

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

20001022110222 is a wasteful number, since it uses less digits than its factorization.

20001022110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196088452083.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20001022110222 its reverse (22201122010002), we get a palindrome (42202144120224).

The spelling of 20001022110222 in words is "twenty trillion, one billion, twenty-two million, one hundred ten thousand, two hundred twenty-two".