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22200213320 = 2351934784181
BaseRepresentation
bin10100101011001111…
…000101111101001000
32010022011121200111222
4110223033011331020
5330431223311240
614110523341212
71414066461665
oct245317057510
963264550458
1022200213320
11946249493a
124376981808
13212a4823cc
1411085baa6c
1589decaeb5
hex52b3c5f48

22200213320 has 64 divisors (see below), whose sum is σ = 52731604800. Its totient is φ = 8388368640.

The previous prime is 22200213319. The next prime is 22200213349. The reversal of 22200213320 is 2331200222.

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, 221630 + ... + 305810.

It is an arithmetic number, because the mean of its divisors is an integer number (823931325).

Almost surely, 222200213320 is an apocalyptic number.

22200213320 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 22200213320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26365802400).

22200213320 is an abundant number, since it is smaller than the sum of its proper divisors (30531391480).

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

22200213320 is a wasteful number, since it uses less digits than its factorization.

22200213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84558 (or 84554 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22200213320 its reverse (2331200222), we get a palindrome (24531413542).

The spelling of 22200213320 in words is "twenty-two billion, two hundred million, two hundred thirteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 347 380 694 760 1388 1735 2776 3470 6593 6940 13186 13880 26372 32965 52744 65930 84181 131860 168362 263720 336724 420905 673448 841810 1599439 1683620 3198878 3367240 6397756 7997195 12795512 15994390 29210807 31988780 58421614 63977560 116843228 146054035 233686456 292108070 555005333 584216140 1110010666 1168432280 2220021332 2775026665 4440042664 5550053330 11100106660 22200213320