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20022202121210 = 254326716162187
BaseRepresentation
bin1001000110101110010000…
…01111101011101111111010
32121220002210200200010022022
410203113020033223233322
510111020432220334320
6110330023410354442
74134361555651142
oct443271017535772
977802720603268
1020022202121210
11641a406135343
1222b452ab8ba22
13b23115c83673
144d3118bb3922
1524ac540dc325
hex1235c83ebbfa

20022202121210 has 48 divisors (see below), whose sum is σ = 37448306786016. Its totient is φ = 7705871689824.

The previous prime is 20022202121123. The next prime is 20022202121219. The reversal of 20022202121210 is 1212120222002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20022202121219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6842264 + ... + 9319923.

It is an arithmetic number, because the mean of its divisors is an integer number (780173058042).

Almost surely, 220022202121210 is an apocalyptic number.

20022202121210 is a deficient number, since it is larger than the sum of its proper divisors (17426104664806).

20022202121210 is a wasteful number, since it uses less digits than its factorization.

20022202121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16162347 (or 16162304 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20022202121210 its reverse (1212120222002), we get a palindrome (21234322343212).

The spelling of 20022202121210 in words is "twenty trillion, twenty-two billion, two hundred two million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 43 67 86 134 215 335 430 670 1849 2881 3698 5762 9245 14405 18490 28810 123883 247766 619415 1238830 16162187 32324374 80810935 161621870 694974041 1082866529 1389948082 2165733058 3474870205 5414332645 6949740410 10828665290 29883883763 46563260747 59767767526 93126521494 149419418815 232816303735 298838837630 465632607470 2002220212121 4004440424242 10011101060605 20022202121210