Base | Representation |
---|---|
bin | 1001001011111101100101… |
… | …11011011111000000001100 |
3 | 2122112022111100210000000110 |
4 | 10211332302323133000030 |
5 | 10121443133140143040 |
6 | 110544440000000020 |
7 | 4153364112203643 |
oct | 445766273370014 |
9 | 78468440700013 |
10 | 20202233131020 |
11 | 648979aa27666 |
12 | 23233b3000010 |
13 | b370a71646c5 |
14 | 4dbb16b6235a |
15 | 25078e3bd980 |
hex | 125fb2edf00c |
20202233131020 has 72 divisors (see below), whose sum is σ = 57912340224816. Its totient is φ = 5261976972672.
The previous prime is 20202233130997. The next prime is 20202233131033. The reversal of 20202233131020 is 2013133220202.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90939327 + ... + 91161206.
It is an arithmetic number, because the mean of its divisors is an integer number (804338058678).
Almost surely, 220202233131020 is an apocalyptic number.
20202233131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20202233131020 is an abundant number, since it is smaller than the sum of its proper divisors (37710107093796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202233131020 is a wasteful number, since it uses less digits than its factorization.
20202233131020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182100631 (or 182100586 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20202233131020 its reverse (2013133220202), we get a palindrome (22215366351222).
The spelling of 20202233131020 in words is "twenty trillion, two hundred two billion, two hundred thirty-three million, one hundred thirty-one thousand, twenty".
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