Base | Representation |
---|---|
bin | 10010101010000100… |
… | …100110101101001100 |
3 | 1220201011000011020020 |
4 | 102222010212231030 |
5 | 312011444444040 |
6 | 13111513022140 |
7 | 1306304262465 |
oct | 225204465514 |
9 | 56634004206 |
10 | 20033203020 |
11 | 8550247a36 |
12 | 3a710b4950 |
13 | 1b735317ac |
14 | d80889d6c |
15 | 7c3b28cd0 |
hex | 4aa126b4c |
20033203020 has 24 divisors (see below), whose sum is σ = 56092968624. Its totient is φ = 5342187456.
The previous prime is 20033202997. The next prime is 20033203081. The reversal of 20033203020 is 2030233002.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 166943299 + ... + 166943418.
It is an arithmetic number, because the mean of its divisors is an integer number (2337207026).
Almost surely, 220033203020 is an apocalyptic number.
20033203020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20033203020 is an abundant number, since it is smaller than the sum of its proper divisors (36059765604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20033203020 is a wasteful number, since it uses less digits than its factorization.
20033203020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 333886729 (or 333886727 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 15.
Adding to 20033203020 its reverse (2030233002), we get a palindrome (22063436022).
It can be divided in two parts, 2003 and 3203020, that added together give a palindrome (3205023).
The spelling of 20033203020 in words is "twenty billion, thirty-three million, two hundred three thousand, twenty".
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