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20012212212110 = 258923994082141
BaseRepresentation
bin1001000110011011101001…
…10011001101000110001110
32121212011000110220011021222
410203031310303031012032
510110340002311241420
6110321252224123342
74133556163064546
oct443156463150616
977764013804258
1020012212212110
11641614a092818
1222b2601466552
13b221b33ba251
144d284c11a326
1524a86c074225
hex123374ccd18e

20012212212110 has 32 divisors (see below), whose sum is σ = 36579136809600. Its totient is φ = 7881825360640.

The previous prime is 20012212212073. The next prime is 20012212212131. The reversal of 20012212212110 is 1121221221002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46828361 + ... + 47253780.

It is an arithmetic number, because the mean of its divisors is an integer number (1143098025300).

Almost surely, 220012212212110 is an apocalyptic number.

20012212212110 is a deficient number, since it is larger than the sum of its proper divisors (16566924597490).

20012212212110 is a wasteful number, since it uses less digits than its factorization.

20012212212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94082476.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20012212212110 its reverse (1121221221002), we get a palindrome (21133433433112).

The spelling of 20012212212110 in words is "twenty trillion, twelve billion, two hundred twelve million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 89 178 239 445 478 890 1195 2390 21271 42542 106355 212710 94082141 188164282 470410705 940821410 8373310549 16746621098 22485631699 41866552745 44971263398 83733105490 112428158495 224856316990 2001221221211 4002442442422 10006106106055 20012212212110