Base | Representation |
---|---|
bin | 10010101010000100… |
… | …101010110110110111 |
3 | 1220201011001000112222 |
4 | 102222010222312313 |
5 | 312012001020043 |
6 | 13111513232555 |
7 | 1306304363165 |
oct | 225204526667 |
9 | 56634030488 |
10 | 20033220023 |
11 | 8550259793 |
12 | 3a7110275b |
13 | 1b7353945b |
14 | d80892235 |
15 | 7c3b2dd68 |
hex | 4aa12adb7 |
20033220023 has 8 divisors (see below), whose sum is σ = 20911950240. Its totient is φ = 19172242080.
The previous prime is 20033220017. The next prime is 20033220047. The reversal of 20033220023 is 32002233002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20033220023 - 24 = 20033220007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20033219983 and 20033220010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20033220073) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4435763 + ... + 4440276.
It is an arithmetic number, because the mean of its divisors is an integer number (2613993780).
Almost surely, 220033220023 is an apocalyptic number.
20033220023 is a deficient number, since it is larger than the sum of its proper divisors (878730217).
20033220023 is an equidigital number, since it uses as much as digits as its factorization.
20033220023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8876137.
The product of its (nonzero) digits is 432, while the sum is 17.
Adding to 20033220023 its reverse (32002233002), we get a palindrome (52035453025).
The spelling of 20033220023 in words is "twenty billion, thirty-three million, two hundred twenty thousand, twenty-three".
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