Base | Representation |
---|---|
bin | 10011000110101110… |
… | …110010011110011000 |
3 | 1221221122202100200111 |
4 | 103012232302132120 |
5 | 314003042221240 |
6 | 13231330414104 |
7 | 1324233215110 |
oct | 230656623630 |
9 | 57848670614 |
10 | 20514023320 |
11 | 87776a438a |
12 | 3b86131334 |
13 | 1c1c02c94b |
14 | dc868c040 |
15 | 800e541ea |
hex | 4c6bb2798 |
20514023320 has 64 divisors (see below), whose sum is σ = 52762694400. Its totient is φ = 7031733120.
The previous prime is 20514023317. The next prime is 20514023323. The reversal of 20514023320 is 2332041502.
It is an interprime number because it is at equal distance from previous prime (20514023317) and next prime (20514023323).
It is a junction number, because it is equal to n+sod(n) for n = 20514023291 and 20514023300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20514023323) 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, 2251975 + ... + 2261065.
It is an arithmetic number, because the mean of its divisors is an integer number (824417100).
Almost surely, 220514023320 is an apocalyptic number.
20514023320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20514023320 is an abundant number, since it is smaller than the sum of its proper divisors (32248671080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20514023320 is a wasteful number, since it uses less digits than its factorization.
20514023320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17168 (or 17164 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
Adding to 20514023320 its reverse (2332041502), we get a palindrome (22846064822).
The spelling of 20514023320 in words is "twenty billion, five hundred fourteen million, twenty-three thousand, three hundred twenty".
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