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20200330320 = 2435195975083
BaseRepresentation
bin10010110100000010…
…001001010001010000
31221010210111002210020
4102310002021101100
5312332241032240
613140243103440
71313403655212
oct226402112120
957123432706
1020200330320
118626618175
123ab9071b80
131b9c0493a1
14d98b525b2
157d363d0d0
hex4b4089450

20200330320 has 160 divisors (see below), whose sum is σ = 67034995200. Its totient is φ = 5016678912.

The previous prime is 20200330273. The next prime is 20200330331. The reversal of 20200330320 is 2303300202.

It is a super-2 number, since 2×202003303202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20200330320.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 231499 + ... + 306581.

It is an arithmetic number, because the mean of its divisors is an integer number (418968720).

Almost surely, 220200330320 is an apocalyptic number.

20200330320 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 20200330320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33517497600).

20200330320 is an abundant number, since it is smaller than the sum of its proper divisors (46834664880).

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

20200330320 is a wasteful number, since it uses less digits than its factorization.

20200330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75177 (or 75171 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20200330320 its reverse (2303300202), we get a palindrome (22503630522).

The spelling of 20200330320 in words is "twenty billion, two hundred million, three hundred thirty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 59 60 76 80 95 114 118 120 152 177 190 228 236 240 285 295 304 354 380 456 472 570 590 708 760 885 912 944 1121 1140 1180 1416 1520 1770 2242 2280 2360 2832 3363 3540 4484 4560 4720 5605 6726 7080 8968 11210 13452 14160 16815 17936 22420 26904 33630 44840 53808 67260 75083 89680 134520 150166 225249 269040 300332 375415 450498 600664 750830 900996 1126245 1201328 1426577 1501660 1801992 2252490 2853154 3003320 3603984 4279731 4429897 4504980 5706308 6006640 7132885 8559462 8859794 9009960 11412616 13289691 14265770 17118924 17719588 18019920 21398655 22149485 22825232 26579382 28531540 34237848 35439176 42797310 44298970 53158764 57063080 66448455 68475696 70878352 84168043 85594620 88597940 106317528 114126160 132896910 168336086 171189240 177195880 212635056 252504129 265793820 336672172 342378480 354391760 420840215 505008258 531587640 673344344 841680430 1010016516 1063175280 1262520645 1346688688 1683360860 2020033032 2525041290 3366721720 4040066064 5050082580 6733443440 10100165160 20200330320