11 strokes
Kentei exam level 1

name of a Chinese river

On'yomi

Main Radical

(KanXi)

Character Breakdown

name of a Chinese river
 (Kentei 1)
water, water radical (no. 85)
さんずい
that
キ ゴ それ (Kentei Pre-1)
sweet, coax, pamper
あま.い カン うま.い (7th, N2)
twenty
にじゅう ジュウ ニュウ (Kentei Pre-1)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
eight, eight radical (no. 12)
ハチ や はっ (1st, N5)

References

Unicode hex code 6DC7
JIS X 0208 1-62-31
Haig, J. New Nelson Japanese-English Character Dictionary 3170
O'Neill, P.G. Japanese Names 1328
Morohashi Daikanwajiten 17620
Tuttle Dictionary Descriptor Code 3a8.11
Four corner code 3418.1