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201022020212 = 221310039385079
BaseRepresentation
bin1011101100110111011…
…0001001101001110100
3201012212120101200122212
42323031312021221310
511243143114121322
6232203115312552
720344340656526
oct2731566115164
9635776350585
10201022020212
1178286765102
1232b61a4b758
1315c57c99170
149a2db21a16
1553680550e2
hex2ecdd89a74

201022020212 has 24 divisors (see below), whose sum is σ = 378887913600. Its totient is φ = 92769911136.

The previous prime is 201022020169. The next prime is 201022020263. The reversal of 201022020212 is 212020220102.

It is a super-2 number, since 2×2010220202122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 329489 + ... + 714567.

It is an arithmetic number, because the mean of its divisors is an integer number (15786996400).

Almost surely, 2201022020212 is an apocalyptic number.

It is an amenable number.

201022020212 is a deficient number, since it is larger than the sum of its proper divisors (177865893388).

201022020212 is a wasteful number, since it uses less digits than its factorization.

201022020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395135 (or 395133 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201022020212 its reverse (212020220102), we get a palindrome (413042240314).

The spelling of 201022020212 in words is "two hundred one billion, twenty-two million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 10039 20078 40156 130507 261014 385079 522028 770158 1540316 5006027 10012054 20024108 3865808081 7731616162 15463232324 50255505053 100511010106 201022020212