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120020222212220 = 22511545546464601
BaseRepresentation
bin11011010010100001100010…
…101101011111100001111100
3120201221211011122102212001102
4123102201202231133201330
5111212402403341242340
61103132310125032232
734165113664150121
oct3322414255374174
9521854148385042
10120020222212220
11352733215775a0
12115648816b5678
1351c7b20b67c15
14218d01ca7a748
15dd2004b67215
hex6d2862b5f87c

120020222212220 has 24 divisors (see below), whose sum is σ = 274955418159408. Its totient is φ = 43643717168000.

The previous prime is 120020222212213. The next prime is 120020222212229. The reversal of 120020222212220 is 22212222020021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120020222212192 and 120020222212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020222212229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272773232081 + ... + 272773232520.

It is an arithmetic number, because the mean of its divisors is an integer number (11456475756642).

Almost surely, 2120020222212220 is an apocalyptic number.

120020222212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020222212220 is an abundant number, since it is smaller than the sum of its proper divisors (154935195947188).

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

120020222212220 is a wasteful number, since it uses less digits than its factorization.

120020222212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545546464621 (or 545546464619 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 120020222212220 its reverse (22212222020021), we get a palindrome (142232444232241).

The spelling of 120020222212220 in words is "one hundred twenty trillion, twenty billion, two hundred twenty-two million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 545546464601 1091092929202 2182185858404 2727732323005 5455464646010 6001011110611 10910929292020 12002022221222 24004044442444 30005055553055 60010111106110 120020222212220