20221120220000 has 720 divisors, whose sum is σ = 62933057000352. Its totient is φ = 6241044480000.

The previous prime is 20221120219999. The next prime is 20221120220009. The reversal of 20221120220000 is 2202112202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221120220009) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1259011970 + ... + 1259028030.

Almost surely, 2^{20221120220000} is an apocalyptic number.

20221120220000 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 20221120220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31466528500176).

20221120220000 is an abundant number, since it is smaller than the sum of its proper divisors (42711936780352).

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

20221120220000 is a wasteful number, since it uses less digits than its factorization.

20221120220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16161 (or 16115 counting only the distinct ones).

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

Adding to 20221120220000 its reverse (2202112202), we get a palindrome (20223322332202).

The spelling of 20221120220000 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twenty thousand".