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20120220010222 = 237863661947599
BaseRepresentation
bin1001001001100100110101…
…00100010000011011101110
32122020110210201121210102221
410210302122210100123232
510114122202310311342
6110443033530105554
74144431544162333
oct444623244203356
978213721553387
1020120220010222
116457a34732092
12230b524b7b2ba
13b2c436c40367
144d7b768b498a
1524d58e2e9a67
hex124c9a9106ee

20120220010222 has 32 divisors (see below), whose sum is σ = 31037271552000. Its totient is φ = 9775190598048.

The previous prime is 20120220010213. The next prime is 20120220010229. The reversal of 20120220010222 is 22201002202102.

It is a junction number, because it is equal to n+sod(n) for n = 20120220010196 and 20120220010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120220010229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422678779 + ... + 422726377.

It is an arithmetic number, because the mean of its divisors is an integer number (969914736000).

Almost surely, 220120220010222 is an apocalyptic number.

20120220010222 is a deficient number, since it is larger than the sum of its proper divisors (10917051541778).

20120220010222 is a wasteful number, since it uses less digits than its factorization.

20120220010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55120.

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

Adding to 20120220010222 its reverse (22201002202102), we get a palindrome (42321222212324).

The spelling of 20120220010222 in words is "twenty trillion, one hundred twenty billion, two hundred twenty million, ten thousand, two hundred twenty-two".

Divisors: 1 2 37 74 863 1726 6619 13238 31931 47599 63862 95198 244903 489806 1761163 3522326 5712197 11424394 41077937 82155874 211351289 315057781 422702578 630115562 1519883669 3039767338 11657137897 23314275794 271894865003 543789730006 10060110005111 20120220010222