222020120000 has 140 divisors (see below), whose sum is σ = 629186783280. Its totient is φ = 76121088000.

The previous prime is 222020119963. The next prime is 222020120009. The reversal of 222020120000 is 21020222.

222020120000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (140).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020120009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 116465 + ... + 676464.

Almost surely, 2^222020120000 is an apocalyptic number.

222020120000 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 222020120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314593391640).

222020120000 is an abundant number, since it is smaller than the sum of its proper divisors (407166663280).

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

222020120000 is an frugal number, since it uses more digits than its factorization.

222020120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792968 (or 792943 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 222020120000 its reverse (21020222), we get a palindrome (222041140222).

The spelling of 222020120000 in words is "two hundred twenty-two billion, twenty million, one hundred twenty thousand".