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120020222201220 = 22335112171031397547
BaseRepresentation
bin11011010010100001100010…
…101101011100110110000100
3120201221211011122102021222000
4123102201202231130312010
5111212402403340414340
61103132310124505300
734165113664103055
oct3322414255346604
9521854148367860
10120020222201220
113527332156a300
12115648816ab230
1351c7b20b62c03
14218d01ca7672c
15dd2004b63d30
hex6d2862b5cd84

120020222201220 has 1152 divisors, whose sum is σ = 442004503449600. Its totient is φ = 26919762186240.

The previous prime is 120020222201171. The next prime is 120020222201249. The reversal of 120020222201220 is 22102222020021.

120020222201220 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 20 + 222 + 201 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120020222201193 and 120020222201202.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 15903033487 + ... + 15903041033.

It is an arithmetic number, because the mean of its divisors is an integer number (383684464800).

Almost surely, 2120020222201220 is an apocalyptic number.

120020222201220 is a gapful number since it is divisible by the number (10) 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 120020222201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221002251724800).

120020222201220 is an abundant number, since it is smaller than the sum of its proper divisors (321984281248380).

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

120020222201220 is a wasteful number, since it uses less digits than its factorization.

120020222201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7846 (or 7827 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 120020222201220 its reverse (22102222020021), we get a palindrome (142122444221241).

The spelling of 120020222201220 in words is "one hundred twenty trillion, twenty billion, two hundred twenty-two million, two hundred one thousand, two hundred twenty".