Uimhir 20
Is é 20 (fiche) an uimhir nádúrtha tar éis 19 agus roimh 21.
| Cineál | uimhir aiceanta, uimhir fhlúirseach, ré-uimhir, dodecahedral number (en)  , uimhir dhronuilleogach, uimhir theitrihéidreach, magic number (en) , admirable number (en) , uimhir ilchodach agus uimhir Niven  |
|---|---|
| Airíonna | |
| Luach | 20 |
| Uimhreacha eile | |
| Uimhir Rómhánach | XX |
| Dénártha | 101002 |
| Is síol é an t-alt seo. Cuir leis, chun cuidiú leis an Vicipéid. Má tá alt níos forbartha le fáil i dteanga eile, is féidir leat aistriúchán Gaeilge a dhéanamh. |
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