Base | Representation |
---|---|
bin | 1001000110101010001010… |
… | …00111101110100011000110 |
3 | 2121212220010101011120111020 |
4 | 10203111011013232203012 |
5 | 10111001431032021410 |
6 | 110325021223052010 |
7 | 4134253214053515 |
oct | 443250507564306 |
9 | 77786111146436 |
10 | 20020002220230 |
11 | 6419487373161 |
12 | 22b40162a1006 |
13 | b22b552880cc |
14 | 4d2d8a96067c |
15 | 24ab75ddea70 |
hex | 1235451ee8c6 |
20020002220230 has 32 divisors (see below), whose sum is σ = 48254219960544. Its totient is φ = 5315754521856.
The previous prime is 20020002220193. The next prime is 20020002220237. The reversal of 20020002220230 is 3202220002002.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20020002220237) 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, 1432038949 + ... + 1432052928.
It is an arithmetic number, because the mean of its divisors is an integer number (1507944373767).
Almost surely, 220020002220230 is an apocalyptic number.
20020002220230 is an abundant number, since it is smaller than the sum of its proper divisors (28234217740314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020002220230 is a wasteful number, since it uses less digits than its factorization.
20020002220230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2864092120.
The product of its (nonzero) digits is 192, while the sum is 15.
Adding to 20020002220230 its reverse (3202220002002), we get a palindrome (23222222222232).
The spelling of 20020002220230 in words is "twenty trillion, twenty billion, two million, two hundred twenty thousand, two hundred thirty".
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