20110222000120 has 128 divisors (see below), whose sum is σ = 52771594752000. Its totient is φ = 6894378142848.

The previous prime is 20110222000067. The next prime is 20110222000123. The reversal of 20110222000120 is 2100022201102.

It is a happy number.

It is a super-2 number, since 2×20110222000120² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20110222000120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110222000123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193496089 + ... + 193599991.

It is an arithmetic number, because the mean of its divisors is an integer number (412278084000).

Almost surely, 2^{20110222000120} is an apocalyptic number.

20110222000120 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 20110222000120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26385797376000).

20110222000120 is an abundant number, since it is smaller than the sum of its proper divisors (32661372751880).

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

20110222000120 is a wasteful number, since it uses less digits than its factorization.

20110222000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118042 (or 118024 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20110222000120 its reverse (2100022201102), we get a palindrome (22210244201222).

The spelling of 20110222000120 in words is "twenty trillion, one hundred ten billion, two hundred twenty-two million, one hundred twenty", and thus it is an aban number.