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22320033220 = 2254343160217
BaseRepresentation
bin10100110010011000…
…001010110111000100
32010121112002011112001
4110302120022313010
5331202412030340
614130443435044
71420053103102
oct246230126704
963545064461
1022320033220
119514093351
1243aab25a84
132149245364
14111a48ac72
158a979829a
hex53260adc4

22320033220 has 48 divisors (see below), whose sum is σ = 48074197248. Its totient is φ = 8700007680.

The previous prime is 22320033157. The next prime is 22320033233. The reversal of 22320033220 is 2233002322.

It is a super-3 number, since 3×223200332203 (a number of 32 digits) contains 333 as substring.

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, 340552 + ... + 400768.

It is an arithmetic number, because the mean of its divisors is an integer number (1001545776).

Almost surely, 222320033220 is an apocalyptic number.

22320033220 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 22320033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24037098624).

22320033220 is an abundant number, since it is smaller than the sum of its proper divisors (25754164028).

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

22320033220 is a wasteful number, since it uses less digits than its factorization.

22320033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60700 (or 60698 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 22320033220 its reverse (2233002322), we get a palindrome (24553035542).

The spelling of 22320033220 in words is "twenty-two billion, three hundred twenty million, thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 431 860 862 1724 2155 4310 8620 18533 37066 60217 74132 92665 120434 185330 240868 301085 370660 602170 1204340 2589331 5178662 10357324 12946655 25893310 25953527 51786620 51907054 103814108 129767635 259535270 519070540 1116001661 2232003322 4464006644 5580008305 11160016610 22320033220