20110222220000 has 240 divisors, whose sum is σ = 54055615565952. Its totient is φ = 7301453760000.

The previous prime is 20110222219993. The next prime is 20110222220041. The reversal of 20110222220000 is 2222201102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 142269359 + ... + 142410641.

Almost surely, 2^{20110222220000} is an apocalyptic number.

20110222220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110222220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27027807782976).

20110222220000 is an abundant number, since it is smaller than the sum of its proper divisors (33945393345952).

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

20110222220000 is a wasteful number, since it uses less digits than its factorization.

20110222220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141971 (or 141948 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20110222220000 its reverse (2222201102), we get a palindrome (20112444421102).

The spelling of 20110222220000 in words is "twenty trillion, one hundred ten billion, two hundred twenty-two million, two hundred twenty thousand".