Base | Representation |
---|---|
bin | 100110100001… |
… | …1110110001100 |
3 | 1102000022100102 |
4 | 1031003312030 |
5 | 20132411334 |
6 | 2000550232 |
7 | 333463406 |
oct | 115036614 |
9 | 42008312 |
10 | 20200844 |
11 | 10448214 |
12 | 6922378 |
13 | 4253981 |
14 | 297bb76 |
15 | 1b9067e |
hex | 1343d8c |
20200844 has 12 divisors (see below), whose sum is σ = 36018864. Its totient is φ = 9909744.
The previous prime is 20200837. The next prime is 20200847. The reversal of 20200844 is 44800202.
It is not an unprimeable number, because it can be changed into a prime (20200847) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47432 + ... + 47855.
It is an arithmetic number, because the mean of its divisors is an integer number (3001572).
Almost surely, 220200844 is an apocalyptic number.
It is an amenable number.
20200844 is a deficient number, since it is larger than the sum of its proper divisors (15818020).
20200844 is a wasteful number, since it uses less digits than its factorization.
20200844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95344 (or 95342 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 20200844 is about 4494.5349036357. The cubic root of 20200844 is about 272.3473611399.
The spelling of 20200844 in words is "twenty million, two hundred thousand, eight hundred forty-four".
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