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2000212221220 = 225139719500799
BaseRepresentation
bin11101000110110101111…
…100000101110100100100
321002012220020011210202021
4131012311330011310210
5230232413312034340
64130515041352524
7264340060232563
oct35066574056444
97065806153667
102000212221220
11701315720824
122837a3038744
1311680850a265
146cb4cb33bda
153706b94ce4a
hex1d1b5f05d24

2000212221220 has 24 divisors (see below), whose sum is σ = 4230664704000. Its totient is φ = 794328880992.

The previous prime is 2000212221179. The next prime is 2000212221251. The reversal of 2000212221220 is 221222120002.

It is a junction number, because it is equal to n+sod(n) for n = 2000212221194 and 2000212221203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359747620 + ... + 359753179.

It is an arithmetic number, because the mean of its divisors is an integer number (176277696000).

Almost surely, 22000212221220 is an apocalyptic number.

2000212221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000212221220 is an abundant number, since it is smaller than the sum of its proper divisors (2230452482780).

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

2000212221220 is a wasteful number, since it uses less digits than its factorization.

2000212221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719500947 (or 719500945 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2000212221220 its reverse (221222120002), we get a palindrome (2221434341222).

The spelling of 2000212221220 in words is "two trillion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 719500799 1439001598 2878003196 3597503995 7195007990 14390015980 100010611061 200021222122 400042444244 500053055305 1000106110610 2000212221220