Base | Representation |
---|---|
bin | 10010101000111100… |
… | …101001011110110100 |
3 | 1220122211111211001121 |
4 | 102220330221132310 |
5 | 311442132340040 |
6 | 13110000433324 |
7 | 1305655040353 |
oct | 225074513664 |
9 | 56584454047 |
10 | 20014340020 |
11 | 8540633984 |
12 | 3a66918844 |
13 | 1b6c658a5c |
14 | d7c17999a |
15 | 7c214ec4a |
hex | 4a8f297b4 |
20014340020 has 24 divisors (see below), whose sum is σ = 42042403368. Its totient is φ = 8003395200.
The previous prime is 20014340009. The next prime is 20014340113. The reversal of 20014340020 is 2004341002.
It can be written as a sum of positive squares in 4 ways, for example, as 3811086756 + 16203253264 = 61734^2 + 127292^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20014339976 and 20014340003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75351 + ... + 213790.
It is an arithmetic number, because the mean of its divisors is an integer number (1751766807).
Almost surely, 220014340020 is an apocalyptic number.
20014340020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20014340020 is an abundant number, since it is smaller than the sum of its proper divisors (22028063348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20014340020 is a wasteful number, since it uses less digits than its factorization.
20014340020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 292611 (or 292609 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 20014340020 its reverse (2004341002), we get a palindrome (22018681022).
The spelling of 20014340020 in words is "twenty billion, fourteen million, three hundred forty thousand, twenty".
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