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20303320000 = 26542711873
BaseRepresentation
bin10010111010001011…
…000001001111000000
31221101222021112001211
4102322023001033000
5313040122220000
613154402335504
71316064241525
oct227213011700
957358245054
1020303320000
118679770907
123b2765a594
131bb7498922
14da86c114c
157dc6d37ba
hex4ba2c13c0

20303320000 has 140 divisors (see below), whose sum is σ = 50558391136. Its totient is φ = 8087040000.

The previous prime is 20303319941. The next prime is 20303320013. The reversal of 20303320000 is 2330302.

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, 10839064 + ... + 10840936.

Almost surely, 220303320000 is an apocalyptic number.

20303320000 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 20303320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25279195568).

20303320000 is an abundant number, since it is smaller than the sum of its proper divisors (30255071136).

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

20303320000 is an equidigital number, since it uses as much as digits as its factorization.

20303320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176 (or 2151 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

Adding to 20303320000 its reverse (2330302), we get a palindrome (20305650302).

The spelling of 20303320000 in words is "twenty billion, three hundred three million, three hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 271 320 400 500 542 625 800 1000 1084 1250 1355 1600 1873 2000 2168 2500 2710 3746 4000 4336 5000 5420 6775 7492 8000 8672 9365 10000 10840 13550 14984 17344 18730 20000 21680 27100 29968 33875 37460 40000 43360 46825 54200 59936 67750 74920 86720 93650 108400 119872 135500 149840 169375 187300 216800 234125 271000 299680 338750 374600 433600 468250 507583 542000 599360 677500 749200 936500 1015166 1084000 1170625 1355000 1498400 1873000 2030332 2168000 2341250 2537915 2710000 2996800 3746000 4060664 4682500 5075830 5420000 7492000 8121328 9365000 10151660 10840000 12689575 14984000 16242656 18730000 20303320 25379150 32485312 37460000 40606640 50758300 63447875 74920000 81213280 101516600 126895750 162426560 203033200 253791500 317239375 406066400 507583000 634478750 812132800 1015166000 1268957500 2030332000 2537915000 4060664000 5075830000 10151660000 20303320000