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120520112252020 = 22513463538893277
BaseRepresentation
bin11011011001110011000110…
…011110101010010001110100
3120210201121110211202000020221
4123121303012132222101310
5111244100142214031040
61104154101503304124
734246201506322015
oct3331630636522164
9523647424660227
10120520112252020
1135446324460298
12116257318ab044
135232cc8295790
1421a92c143900c
15de0010cc974a
hex6d9cc67aa474

120520112252020 has 24 divisors (see below), whose sum is σ = 272560869247464. Its totient is φ = 44499733754496.

The previous prime is 120520112252009. The next prime is 120520112252021. The reversal of 120520112252020 is 20252211025021.

120520112252020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1502747449956 + 119017364802064 = 1225866^2 + 10909508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120520112252021) 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, 231769446379 + ... + 231769446898.

It is an arithmetic number, because the mean of its divisors is an integer number (11356702885311).

Almost surely, 2120520112252020 is an apocalyptic number.

120520112252020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120520112252020 is an abundant number, since it is smaller than the sum of its proper divisors (152040756995444).

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

120520112252020 is a wasteful number, since it uses less digits than its factorization.

120520112252020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463538893299 (or 463538893297 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 120520112252020 its reverse (20252211025021), we get a palindrome (140772323277041).

The spelling of 120520112252020 in words is "one hundred twenty trillion, five hundred twenty billion, one hundred twelve million, two hundred fifty-two thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 463538893277 927077786554 1854155573108 2317694466385 4635388932770 6026005612601 9270777865540 12052011225202 24104022450404 30130028063005 60260056126010 120520112252020