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120023220220 = 22548407123973
BaseRepresentation
bin110111111000111110…
…0001111111111111100
3102110210121212022122121
41233301330033333330
53431301421021340
6131045442052324
711446200352561
oct1576174177774
9373717768577
10120023220220
11469a0a84892
121b31764a0a4
13b419c57447
145b4846c868
1531c704094a
hex1bf1f0fffc

120023220220 has 24 divisors (see below), whose sum is σ = 252056002464. Its totient is φ = 48007909056.

The previous prime is 120023220209. The next prime is 120023220221. The reversal of 120023220220 is 22022320021.

It is a junction number, because it is equal to n+sod(n) for n = 120023220194 and 120023220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120023220221) 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, 906154 + ... + 1030126.

It is an arithmetic number, because the mean of its divisors is an integer number (10502333436).

Almost surely, 2120023220220 is an apocalyptic number.

120023220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120023220220 is an abundant number, since it is smaller than the sum of its proper divisors (132032782244).

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

120023220220 is a wasteful number, since it uses less digits than its factorization.

120023220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172389 (or 172387 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 120023220220 its reverse (22022320021), we get a palindrome (142045540241).

The spelling of 120023220220 in words is "one hundred twenty billion, twenty-three million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 48407 96814 123973 193628 242035 247946 484070 495892 619865 968140 1239730 2479460 6001161011 12002322022 24004644044 30005805055 60011610110 120023220220