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120100120220 = 22531120999199
BaseRepresentation
bin110111111011010000…
…1100110011010011100
3102110222222120020121202
41233312201212122130
53431431112321340
6131101230215032
711451123115043
oct1576641463234
9373888506552
10120100120220
1146a30428a03
121b339354478
13b42cb707c2
145b5476955a
1531cdb80c15
hex1bf686669c

120100120220 has 48 divisors (see below), whose sum is σ = 253169280000. Its totient is φ = 47857561920.

The previous prime is 120100120213. The next prime is 120100120243. The reversal of 120100120220 is 22021001021.

It is a happy number.

It is a congruent number.

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, 13051181 + ... + 13060379.

It is an arithmetic number, because the mean of its divisors is an integer number (5274360000).

Almost surely, 2120100120220 is an apocalyptic number.

120100120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100120220 is an abundant number, since it is smaller than the sum of its proper divisors (133069159780).

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

120100120220 is a wasteful number, since it uses less digits than its factorization.

120100120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11618 (or 11616 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120100120220 its reverse (22021001021), we get a palindrome (142121121241).

It can be divided in two parts, 1201001 and 20220, that added together give a palindrome (1221221).

The spelling of 120100120220 in words is "one hundred twenty billion, one hundred million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 2099 3110 4198 6220 8396 9199 10495 18398 20990 36796 41980 45995 91990 183980 652789 1305578 2611156 2860889 3263945 5721778 6527890 11443556 13055780 14304445 19308701 28608890 38617402 57217780 77234804 96543505 193087010 386174020 6005006011 12010012022 24020024044 30025030055 60050060110 120100120220