Base | Representation |
---|---|
bin | 10010101000001110… |
… | …011010100001011100 |
3 | 1220121222201001200120 |
4 | 102220032122201130 |
5 | 311431032020444 |
6 | 13104444554540 |
7 | 1305450031365 |
oct | 225016324134 |
9 | 56558631616 |
10 | 20002220124 |
11 | 8534806037 |
12 | 3a62852a50 |
13 | 1b69ca4313 |
14 | d7a702b6c |
15 | 7c1058b19 |
hex | 4a839a85c |
20002220124 has 24 divisors (see below), whose sum is σ = 46865512848. Its totient is φ = 6639740160.
The previous prime is 20002220123. The next prime is 20002220167. The reversal of 20002220124 is 42102220002.
It is a super-3 number, since 3×200022201243 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20002220123) 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, 3455307 + ... + 3461090.
It is an arithmetic number, because the mean of its divisors is an integer number (1952729702).
Almost surely, 220002220124 is an apocalyptic number.
It is an amenable number.
20002220124 is an abundant number, since it is smaller than the sum of its proper divisors (26863292724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20002220124 is a wasteful number, since it uses less digits than its factorization.
20002220124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6916645 (or 6916643 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 15.
Adding to 20002220124 its reverse (42102220002), we get a palindrome (62104440126).
The spelling of 20002220124 in words is "twenty billion, two million, two hundred twenty thousand, one hundred twenty-four".
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