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220121321001032 = 231113974717899337
BaseRepresentation
bin110010000011001011111101…
…001001010101000001001000
31001212101101121022221222110202
4302003023331021111001020
5212322431431134013112
62100054201105431332
764236145352000663
oct6203137511250110
91055341538858422
10220121321001032
1164156a231770a0
1220830ba103b548
1395a9475338b99
143c4dd008146da
151a6acd9d686c2
hexc832fd255048

220121321001032 has 32 divisors (see below), whose sum is σ = 450251403628320. Its totient is φ = 100054424346240.

The previous prime is 220121321001031. The next prime is 220121321001041. The reversal of 220121321001032 is 230100123121022.

It is a super-3 number, since 3×2201213210010323 (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220121321000995 and 220121321001013.

It is not an unprimeable number, because it can be changed into a prime (220121321001031) 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, 3348068 + ... + 21247404.

It is an arithmetic number, because the mean of its divisors is an integer number (14070356363385).

Almost surely, 2220121321001032 is an apocalyptic number.

220121321001032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220121321001032 is an abundant number, since it is smaller than the sum of its proper divisors (230130082627288).

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

220121321001032 is a wasteful number, since it uses less digits than its factorization.

220121321001032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18039101 (or 18039097 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 220121321001032 its reverse (230100123121022), we get a palindrome (450221444122054).

The spelling of 220121321001032 in words is "two hundred twenty trillion, one hundred twenty-one billion, three hundred twenty-one million, one thousand, thirty-two".

Divisors: 1 2 4 8 11 22 44 88 139747 279494 558988 1117976 1537217 3074434 6148868 12297736 17899337 35798674 71597348 143194696 196892707 393785414 787570828 1575141656 2501378647739 5002757295478 10005514590956 20011029181912 27515165125129 55030330250258 110060660500516 220121321001032