Base | Representation |
---|---|
bin | 1001001001111100111000… |
… | …01100010111010011010100 |
3 | 2122021201010121012011100020 |
4 | 10210332130030113103110 |
5 | 10114330123321000340 |
6 | 110453011103145140 |
7 | 4145366533050021 |
oct | 444763414272324 |
9 | 78251117164306 |
10 | 20133132203220 |
11 | 6462460293873 |
12 | 2311b292a51b0 |
13 | b3071407a34a |
14 | 4d863d704548 |
15 | 24da97ba49d0 |
hex | 124f9c3174d4 |
20133132203220 has 48 divisors (see below), whose sum is σ = 56372972042688. Its totient is φ = 5368816028160.
The previous prime is 20133132203207. The next prime is 20133132203227. The reversal of 20133132203220 is 2230223133102.
It is a super-2 number, since 2×201331322032202 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20133132203227) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26101527 + ... + 26861793.
It is an arithmetic number, because the mean of its divisors is an integer number (1174436917556).
Almost surely, 220133132203220 is an apocalyptic number.
20133132203220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20133132203220 is an abundant number, since it is smaller than the sum of its proper divisors (36239839839468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20133132203220 is a wasteful number, since it uses less digits than its factorization.
20133132203220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1201640 (or 1201638 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 20133132203220 its reverse (2230223133102), we get a palindrome (22363355336322).
The spelling of 20133132203220 in words is "twenty trillion, one hundred thirty-three billion, one hundred thirty-two million, two hundred three thousand, two hundred twenty".
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