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120320020000 = 255443139907
BaseRepresentation
bin111000000001110100…
…0011100111000100000
3102111120022100022102001
41300003220130320200
53432403411120000
6131135123333344
711456433203215
oct1600350347040
9374508308361
10120320020000
1147033572964
121b39ab21254
13b4665a470b
145b75a4bb0c
1531e311b46a
hex1c03a1ce20

120320020000 has 120 divisors (see below), whose sum is σ = 302891306256. Its totient is φ = 47008416000.

The previous prime is 120320019983. The next prime is 120320020019. The reversal of 120320020000 is 20023021.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 790047 + ... + 929953.

Almost surely, 2120320020000 is an apocalyptic number.

120320020000 is a gapful number since it is divisible by the number (10) 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 120320020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151445653128).

120320020000 is an abundant number, since it is smaller than the sum of its proper divisors (182571286256).

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

120320020000 is an equidigital number, since it uses as much as digits as its factorization.

120320020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139980 (or 139957 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 120320020000 its reverse (20023021), we get a palindrome (120340043021).

The spelling of 120320020000 in words is "one hundred twenty billion, three hundred twenty million, twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 43 50 80 86 100 125 160 172 200 215 250 344 400 430 500 625 688 800 860 1000 1075 1250 1376 1720 2000 2150 2500 3440 4000 4300 5000 5375 6880 8600 10000 10750 17200 20000 21500 26875 34400 43000 53750 86000 107500 139907 172000 215000 279814 430000 559628 699535 860000 1119256 1399070 2238512 2798140 3497675 4477024 5596280 6016001 6995350 11192560 12032002 13990700 17488375 22385120 24064004 27981400 30080005 34976750 48128008 55962800 60160010 69953500 87441875 96256016 111925600 120320020 139907000 150400025 174883750 192512032 240640040 279814000 300800050 349767500 481280080 559628000 601600100 699535000 752000125 962560160 1203200200 1399070000 1504000250 2406400400 2798140000 3008000500 3760000625 4812800800 6016001000 7520001250 12032002000 15040002500 24064004000 30080005000 60160010000 120320020000