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120220200220 = 22517257348323
BaseRepresentation
bin110111111110110101…
…1101010110100011100
3102111022100111221102011
41233331223222310130
53432202332401340
6131121200041004
711454111561361
oct1577553526434
9374270457364
10120220200220
1146a9219487a
121b371603164
13b44b9c4c63
145b666a6468
1531d94a00ea
hex1bfdaead1c

120220200220 has 24 divisors (see below), whose sum is σ = 252477774864. Its totient is φ = 48085155456.

The previous prime is 120220200209. The next prime is 120220200223. The reversal of 120220200220 is 22002022021.

It is a self number, because there is not a number n which added to its sum of digits gives 120220200220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220200223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170979 + ... + 519301.

It is an arithmetic number, because the mean of its divisors is an integer number (10519907286).

Almost surely, 2120220200220 is an apocalyptic number.

120220200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120220200220 is an abundant number, since it is smaller than the sum of its proper divisors (132257574644).

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

120220200220 is a wasteful number, since it uses less digits than its factorization.

120220200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365589 (or 365587 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 120220200220 its reverse (22002022021), we get a palindrome (142222222241).

The spelling of 120220200220 in words is "one hundred twenty billion, two hundred twenty million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 17257 34514 69028 86285 172570 345140 348323 696646 1393292 1741615 3483230 6966460 6011010011 12022020022 24044040044 30055050055 60110100110 120220200220