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212202201210020 = 22572695634684047
BaseRepresentation
bin110000001111111100101100…
…110100101101110010100100
31000211100022222020221220100022
4300033330230310231302210
5210303210102002210040
62031152202341134312
762461050236263130
oct6017745464556244
91024308866856308
10212202201210020
11616834a2534a8a
121b97225b9ba398
139153774033c68
143a588d9b983c0
15197eced7de6b5
hexc0ff2cd2dca4

212202201210020 has 48 divisors (see below), whose sum is σ = 511178536834560. Its totient is φ = 72484575567744.

The previous prime is 212202201210001. The next prime is 212202201210053. The reversal of 212202201210020 is 20012102202212.

It is a happy 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, 2817304364 + ... + 2817379683.

It is an arithmetic number, because the mean of its divisors is an integer number (10649552850720).

Almost surely, 2212202201210020 is an apocalyptic number.

212202201210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212202201210020 is an abundant number, since it is smaller than the sum of its proper divisors (298976335624540).

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

212202201210020 is a wasteful number, since it uses less digits than its factorization.

212202201210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634684332 (or 5634684330 counting only the distinct ones).

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

Adding to 212202201210020 its reverse (20012102202212), we get a palindrome (232214303412232).

The spelling of 212202201210020 in words is "two hundred twelve trillion, two hundred two billion, two hundred one million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 269 538 1076 1345 1883 2690 3766 5380 7532 9415 18830 37660 5634684047 11269368094 22538736188 28173420235 39442788329 56346840470 78885576658 112693680940 157771153316 197213941645 394427883290 788855766580 1515730008643 3031460017286 6062920034572 7578650043215 10610110060501 15157300086430 21220220121002 30314600172860 42440440242004 53050550302505 106101100605010 212202201210020