Base | Representation |
---|---|
bin | 10010110110000000… |
… | …110010101010100100 |
3 | 1221020002221211012202 |
4 | 102312000302222210 |
5 | 312414240430040 |
6 | 13143430434032 |
7 | 1314256111304 |
oct | 226600625244 |
9 | 57202854182 |
10 | 20233530020 |
11 | 8643333640 |
12 | 3b08202918 |
13 | 1ba5ba1892 |
14 | d9d315604 |
15 | 7d64ea015 |
hex | 4b6032aa4 |
20233530020 has 24 divisors (see below), whose sum is σ = 46353178368. Its totient is φ = 7357647200.
The previous prime is 20233530013. The next prime is 20233530041. The reversal of 20233530020 is 2003533202.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 20233529974 and 20233530001.
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, 45985076 + ... + 45985515.
It is an arithmetic number, because the mean of its divisors is an integer number (1931382432).
Almost surely, 220233530020 is an apocalyptic number.
20233530020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20233530020 is an abundant number, since it is smaller than the sum of its proper divisors (26119648348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20233530020 is a wasteful number, since it uses less digits than its factorization.
20233530020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91970611 (or 91970609 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 20.
The spelling of 20233530020 in words is "twenty billion, two hundred thirty-three million, five hundred thirty thousand, twenty".
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