Base | Representation |
---|---|
bin | 110111111011110111… |
… | …0001101001100100100 |
3 | 102111001101100111200010 |
4 | 1233313232031030210 |
5 | 3432001232431040 |
6 | 131103224450220 |
7 | 11451455604420 |
oct | 1576756151444 |
9 | 374041314603 |
10 | 120120202020 |
11 | 46a407a4735 |
12 | 1b344019970 |
13 | b434082220 |
14 | 5b572b5b80 |
15 | 31d07eae80 |
hex | 1bf7b8d324 |
120120202020 has 96 divisors (see below), whose sum is σ = 413952715008. Its totient is φ = 25344041472.
The previous prime is 120120202009. The next prime is 120120202061. The reversal of 120120202020 is 20202021021.
It is a super-2 number, since 2×1201202020202 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
120120202020 is a modest number, since divided by 202020 gives 120120 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 120120201987 and 120120202005.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10994559 + ... + 11005478.
It is an arithmetic number, because the mean of its divisors is an integer number (4312007448).
Almost surely, 2120120202020 is an apocalyptic number.
120120202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120120202020 is an abundant number, since it is smaller than the sum of its proper divisors (293832512988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120120202020 is a wasteful number, since it uses less digits than its factorization.
120120202020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22000069 (or 22000067 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 120120202020 its reverse (20202021021), we get a palindrome (140322223041).
The spelling of 120120202020 in words is "one hundred twenty billion, one hundred twenty million, two hundred two thousand, twenty".
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