Search a number
-
+
120020221000220 = 22541191766314781
BaseRepresentation
bin11011010010100001100010…
…101000110111101000011100
3120201221211011120011021111112
4123102201202220313220130
5111212402403034001340
61103132310043041152
734165113650641442
oct3322414250675034
9521854146137445
10120020221000220
1135273320919a42
12115648812101b8
1351c7b20832368
14218d01c842b92
15dd20049c8065
hex6d2862a37a1c

120020221000220 has 48 divisors (see below), whose sum is σ = 259541620886016. Its totient is φ = 46591938624000.

The previous prime is 120020221000219. The next prime is 120020221000249. The reversal of 120020221000220 is 22000122020021.

It is a junction number, because it is equal to n+sod(n) for n = 120020221000195 and 120020221000204.

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, 383000771 + ... + 383314010.

It is an arithmetic number, because the mean of its divisors is an integer number (5407117101792).

Almost surely, 2120020221000220 is an apocalyptic number.

120020221000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020221000220 is an abundant number, since it is smaller than the sum of its proper divisors (139521399885796).

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

120020221000220 is a wasteful number, since it uses less digits than its factorization.

120020221000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766315022 (or 766315020 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 120020221000220 its reverse (22000122020021), we get a palindrome (142020343020241).

The spelling of 120020221000220 in words is "one hundred twenty trillion, twenty billion, two hundred twenty-one million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 41 82 164 191 205 382 410 764 820 955 1910 3820 7831 15662 31324 39155 78310 156620 766314781 1532629562 3065259124 3831573905 7663147810 15326295620 31418906021 62837812042 125675624084 146366123171 157094530105 292732246342 314189060210 585464492684 628378120420 731830615855 1463661231710 2927322463420 6001011050011 12002022100022 24004044200044 30005055250055 60010110500110 120020221000220