Base | Representation |
---|---|
bin | 10010101001010011… |
… | …100000001011011110 |
3 | 1220200020210012110021 |
4 | 102221103200023132 |
5 | 312000201044410 |
6 | 13110333102354 |
7 | 1306060002424 |
oct | 225123401336 |
9 | 56606705407 |
10 | 20020331230 |
11 | 8543a56199 |
12 | 3a689279ba |
13 | 1b70975a53 |
14 | d7cc99114 |
15 | 7c2934eda |
hex | 4a94e02de |
20020331230 has 16 divisors (see below), whose sum is σ = 36470773584. Its totient is φ = 7911648640.
The previous prime is 20020331203. The next prime is 20020331269. The reversal of 20020331230 is 3213302002.
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, 12059611 + ... + 12061270.
It is an arithmetic number, because the mean of its divisors is an integer number (2279423349).
Almost surely, 220020331230 is an apocalyptic number.
20020331230 is a deficient number, since it is larger than the sum of its proper divisors (16450442354).
20020331230 is a wasteful number, since it uses less digits than its factorization.
20020331230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24120971.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 20020331230 its reverse (3213302002), we get a palindrome (23233633232).
The spelling of 20020331230 in words is "twenty billion, twenty million, three hundred thirty-one thousand, two hundred thirty".
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