Search a number
-
+
120323210220 = 22325668462279
BaseRepresentation
bin111000000001111010…
…0100111101111101100
3102111120112100101120100
41300003310213233230
53432410220211340
6131135315551100
711456502261153
oct1600364475754
9374515311510
10120323210220
1147035351804
121b39bbbb490
13b467150815
145b7623c59a
1531e354b830
hex1c03d27bec

120323210220 has 36 divisors (see below), whose sum is σ = 364980404880. Its totient is φ = 32086189344.

The previous prime is 120323210219. The next prime is 120323210237. The reversal of 120323210220 is 22012323021.

120323210220 is a `hidden beast` number, since 1 + 203 + 232 + 10 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120323210193 and 120323210202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334230960 + ... + 334231319.

It is an arithmetic number, because the mean of its divisors is an integer number (10138344580).

Almost surely, 2120323210220 is an apocalyptic number.

120323210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120323210220 is an abundant number, since it is smaller than the sum of its proper divisors (244657194660).

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

120323210220 is a wasteful number, since it uses less digits than its factorization.

120323210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668462294 (or 668462289 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 120323210220 its reverse (22012323021), we get a palindrome (142335533241).

The spelling of 120323210220 in words is "one hundred twenty billion, three hundred twenty-three million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 668462279 1336924558 2005386837 2673849116 3342311395 4010773674 6016160511 6684622790 8021547348 10026934185 12032321022 13369245580 20053868370 24064642044 30080802555 40107736740 60161605110 120323210220