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22020212112 = 243974729427
BaseRepresentation
bin10100100000100000…
…011100010110010000
32002211121220200021120
4110200200130112100
5330044133241422
614041013322240
71406452500063
oct244040342620
962747820246
1022020212112
11937a921308
124326636380
1320cc0aab12
1410cc7228da
1588d2c245c
hex52081c590

22020212112 has 40 divisors (see below), whose sum is σ = 57472009056. Its totient is φ = 7264398336.

The previous prime is 22020212017. The next prime is 22020212129. The reversal of 22020212112 is 21121202022.

It is a junction number, because it is equal to n+sod(n) for n = 22020212091 and 22020212100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2360058 + ... + 2369369.

Almost surely, 222020212112 is an apocalyptic number.

It is an amenable number.

22020212112 is an abundant number, since it is smaller than the sum of its proper divisors (35451796944).

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

22020212112 is a wasteful number, since it uses less digits than its factorization.

22020212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729535 (or 4729529 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22020212112 its reverse (21121202022), we get a palindrome (43141414134).

The spelling of 22020212112 in words is "twenty-two billion, twenty million, two hundred twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 97 194 291 388 582 776 1164 1552 2328 4656 4729427 9458854 14188281 18917708 28376562 37835416 56753124 75670832 113506248 227012496 458754419 917508838 1376263257 1835017676 2752526514 3670035352 5505053028 7340070704 11010106056 22020212112