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220022011010000 = 2454120118319901
BaseRepresentation
bin110010000001101111011101…
…110011110001101111010000
31001212000220021020200201120202
4302001233131303301233100
5212314320034304310000
62055540414431554332
764226031354002303
oct6201573563615720
91055026236621522
10220022011010000
11641188a1286a41
12208158a638b9a8
13959cca977b094
143c4919d28ab3a
151a684264cadd5
hexc81bddcf1bd0

220022011010000 has 100 divisors (see below), whose sum is σ = 533138863081044. Its totient is φ = 87935520000000.

The previous prime is 220022011009903. The next prime is 220022011010017. The reversal of 220022011010000 is 10110220022.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 220018007664016 + 4003345984 = 14833004^2 + 63272^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×2200220110100002 (a number of 29 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 19 ways as a sum of consecutive naturals, for example, 2850050 + ... + 21169950.

Almost surely, 2220022011010000 is an apocalyptic number.

220022011010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220022011010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266569431540522).

220022011010000 is an abundant number, since it is smaller than the sum of its proper divisors (313116852071044).

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

220022011010000 is a wasteful number, since it uses less digits than its factorization.

220022011010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18321130 (or 18321109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220022011010000 its reverse (10110220022), we get a palindrome (220032121230022).

The spelling of 220022011010000 in words is "two hundred twenty trillion, twenty-two billion, eleven million, ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1201 1250 2000 2402 2500 4804 5000 6005 9608 10000 12010 19216 24020 30025 48040 60050 96080 120100 150125 240200 300250 480400 600500 750625 1201000 1501250 2402000 3002500 6005000 12010000 18319901 36639802 73279604 91599505 146559208 183199010 293118416 366398020 457997525 732796040 915995050 1465592080 1831990100 2289987625 3663980200 4579975250 7327960400 9159950500 11449938125 18319901000 22002201101 22899876250 36639802000 44004402202 45799752500 88008804404 91599505000 110011005505 176017608808 183199010000 220022011010 352035217616 440044022020 550055027525 880088044040 1100110055050 1760176088080 2200220110100 2750275137625 4400440220200 5500550275250 8800880440400 11001100550500 13751375688125 22002201101000 27502751376250 44004402202000 55005502752500 110011005505000 220022011010000