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222020120000000 = 29577792929
BaseRepresentation
bin110010011110110100010110…
…011000101011011000000000
31002010002220201220021022111102
4302132310112120223120000
5213100034201210000000
62104110345102033532
764523265355122560
oct6236642630533000
91063086656238442
10222020120000000
1164819227761a43
1220a98ba0b788a8
1396b653b30880a
143cb7b8c932da0
151aa03bd4743d5
hexc9ed1662b600

222020120000000 has 320 divisors, whose sum is σ = 633722901102720. Its totient is φ = 76121088000000.

The previous prime is 222020119999949. The next prime is 222020120000027. The reversal of 222020120000000 is 21020222.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279603536 + ... + 280396464.

It is an arithmetic number, because the mean of its divisors is an integer number (1980384065946).

Almost surely, 2222020120000000 is an apocalyptic number.

222020120000000 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 222020120000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316861450551360).

222020120000000 is an abundant number, since it is smaller than the sum of its proper divisors (411702781102720).

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

222020120000000 is an frugal number, since it uses more digits than its factorization.

222020120000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792989 (or 792943 counting only the distinct ones).

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

Adding to 222020120000000 its reverse (21020222), we get a palindrome (222020141020222).

The spelling of 222020120000000 in words is "two hundred twenty-two trillion, twenty billion, one hundred twenty million", and thus it is an aban number.